Home / 2,210.11-3,315.17-749.27

Finding the Fourth Proportional to 2,210.11, 3,315.17 and 749.27

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Solution

The fourth proportional to 2,210.11, 3,315.17 and 749.27 is: 1,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.11 : 3,315.17 = 749.27 : x
  2. Step 2: Convert to fraction form
    2,210.11/3,315.17 = 749.27/x
  3. Step 3: Cross multiply
    2,210.11x = 3,315.17 × 749.27
  4. Step 4: Simplify right side
    2,210.11x = 2,483,967.59
  5. Step 5: Solve for x
    x = 2,483,967.59/2,210.11
  6. Step 6: Final answer
    x = 1,123.91

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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.