Home / 2,210.39-3,315.59-1,052.63

Finding the Fourth Proportional to 2,210.39, 3,315.59 and 1,052.63

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Solution

The fourth proportional to 2,210.39, 3,315.59 and 1,052.63 is: 1,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.39 : 3,315.59 = 1,052.63 : x
  2. Step 2: Convert to fraction form
    2,210.39/3,315.59 = 1,052.63/x
  3. Step 3: Cross multiply
    2,210.39x = 3,315.59 × 1,052.63
  4. Step 4: Simplify right side
    2,210.39x = 3,490,089.50
  5. Step 5: Solve for x
    x = 3,490,089.50/2,210.39
  6. Step 6: Final answer
    x = 1,578.95

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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.