Home / 2,642.46-3,964.49-999.51

Finding the Fourth Proportional to 2,642.46, 3,964.49 and 999.51

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Solution

The fourth proportional to 2,642.46, 3,964.49 and 999.51 is: 1,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.46 : 3,964.49 = 999.51 : x
  2. Step 2: Convert to fraction form
    2,642.46/3,964.49 = 999.51/x
  3. Step 3: Cross multiply
    2,642.46x = 3,964.49 × 999.51
  4. Step 4: Simplify right side
    2,642.46x = 3,962,547.40
  5. Step 5: Solve for x
    x = 3,962,547.40/2,642.46
  6. Step 6: Final answer
    x = 1,499.57

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.