Home / 1,710.90-2,565.14-1,382.25

Finding the Fourth Proportional to 1,710.90, 2,565.14 and 1,382.25

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Solution

The fourth proportional to 1,710.90, 2,565.14 and 1,382.25 is: 2,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.90 : 2,565.14 = 1,382.25 : x
  2. Step 2: Convert to fraction form
    1,710.90/2,565.14 = 1,382.25/x
  3. Step 3: Cross multiply
    1,710.90x = 2,565.14 × 1,382.25
  4. Step 4: Simplify right side
    1,710.90x = 3,545,657.85
  5. Step 5: Solve for x
    x = 3,545,657.85/1,710.90
  6. Step 6: Final answer
    x = 2,072.39

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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.