Home / 1,724.60-2,580.32-1,045.88

Finding the Fourth Proportional to 1,724.60, 2,580.32 and 1,045.88

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Solution

The fourth proportional to 1,724.60, 2,580.32 and 1,045.88 is: 1,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.60 : 2,580.32 = 1,045.88 : x
  2. Step 2: Convert to fraction form
    1,724.60/2,580.32 = 1,045.88/x
  3. Step 3: Cross multiply
    1,724.60x = 2,580.32 × 1,045.88
  4. Step 4: Simplify right side
    1,724.60x = 2,698,686.95
  5. Step 5: Solve for x
    x = 2,698,686.95/1,724.60
  6. Step 6: Final answer
    x = 1,564.82

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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.