Home / 1,711.40-2,362.32-1,065.14

Finding the Fourth Proportional to 1,711.40, 2,362.32 and 1,065.14

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Solution

The fourth proportional to 1,711.40, 2,362.32 and 1,065.14 is: 1,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.40 : 2,362.32 = 1,065.14 : x
  2. Step 2: Convert to fraction form
    1,711.40/2,362.32 = 1,065.14/x
  3. Step 3: Cross multiply
    1,711.40x = 2,362.32 × 1,065.14
  4. Step 4: Simplify right side
    1,711.40x = 2,516,201.52
  5. Step 5: Solve for x
    x = 2,516,201.52/1,711.40
  6. Step 6: Final answer
    x = 1,470.26

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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.