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Finding the Fourth Proportional to 1,751.87, 2,417.49 and 1,088.71

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Solution

The fourth proportional to 1,751.87, 2,417.49 and 1,088.71 is: 1,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.87 : 2,417.49 = 1,088.71 : x
  2. Step 2: Convert to fraction form
    1,751.87/2,417.49 = 1,088.71/x
  3. Step 3: Cross multiply
    1,751.87x = 2,417.49 × 1,088.71
  4. Step 4: Simplify right side
    1,751.87x = 2,631,945.54
  5. Step 5: Solve for x
    x = 2,631,945.54/1,751.87
  6. Step 6: Final answer
    x = 1,502.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.