Home / 1,654.03-2,280.15-1,260.37

Finding the Fourth Proportional to 1,654.03, 2,280.15 and 1,260.37

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Solution

The fourth proportional to 1,654.03, 2,280.15 and 1,260.37 is: 1,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.03 : 2,280.15 = 1,260.37 : x
  2. Step 2: Convert to fraction form
    1,654.03/2,280.15 = 1,260.37/x
  3. Step 3: Cross multiply
    1,654.03x = 2,280.15 × 1,260.37
  4. Step 4: Simplify right side
    1,654.03x = 2,873,832.66
  5. Step 5: Solve for x
    x = 2,873,832.66/1,654.03
  6. Step 6: Final answer
    x = 1,737.47

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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.