Home / 1,688.58-2,331.10-1,060.04

Finding the Fourth Proportional to 1,688.58, 2,331.10 and 1,060.04

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Solution

The fourth proportional to 1,688.58, 2,331.10 and 1,060.04 is: 1,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.58 : 2,331.10 = 1,060.04 : x
  2. Step 2: Convert to fraction form
    1,688.58/2,331.10 = 1,060.04/x
  3. Step 3: Cross multiply
    1,688.58x = 2,331.10 × 1,060.04
  4. Step 4: Simplify right side
    1,688.58x = 2,471,047.32
  5. Step 5: Solve for x
    x = 2,471,047.32/1,688.58
  6. Step 6: Final answer
    x = 1,463.39

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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.