Home / 1,708.08-2,356.56-1,118.96

Finding the Fourth Proportional to 1,708.08, 2,356.56 and 1,118.96

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Solution

The fourth proportional to 1,708.08, 2,356.56 and 1,118.96 is: 1,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.08 : 2,356.56 = 1,118.96 : x
  2. Step 2: Convert to fraction form
    1,708.08/2,356.56 = 1,118.96/x
  3. Step 3: Cross multiply
    1,708.08x = 2,356.56 × 1,118.96
  4. Step 4: Simplify right side
    1,708.08x = 2,636,896.38
  5. Step 5: Solve for x
    x = 2,636,896.38/1,708.08
  6. Step 6: Final answer
    x = 1,543.78

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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.