Home / 1,472.16-2,210.81-1,269.66

Finding the Fourth Proportional to 1,472.16, 2,210.81 and 1,269.66

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Solution

The fourth proportional to 1,472.16, 2,210.81 and 1,269.66 is: 1,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.16 : 2,210.81 = 1,269.66 : x
  2. Step 2: Convert to fraction form
    1,472.16/2,210.81 = 1,269.66/x
  3. Step 3: Cross multiply
    1,472.16x = 2,210.81 × 1,269.66
  4. Step 4: Simplify right side
    1,472.16x = 2,806,970.68
  5. Step 5: Solve for x
    x = 2,806,970.68/1,472.16
  6. Step 6: Final answer
    x = 1,906.70

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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.