Home / 2,386.29-3,579.48-999.66

Finding the Fourth Proportional to 2,386.29, 3,579.48 and 999.66

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Solution

The fourth proportional to 2,386.29, 3,579.48 and 999.66 is: 1,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.29 : 3,579.48 = 999.66 : x
  2. Step 2: Convert to fraction form
    2,386.29/3,579.48 = 999.66/x
  3. Step 3: Cross multiply
    2,386.29x = 3,579.48 × 999.66
  4. Step 4: Simplify right side
    2,386.29x = 3,578,262.98
  5. Step 5: Solve for x
    x = 3,578,262.98/2,386.29
  6. Step 6: Final answer
    x = 1,499.51

Related Problems

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Double scale
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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.