Home / 1,418.59-2,125.95-1,071.64

Finding the Fourth Proportional to 1,418.59, 2,125.95 and 1,071.64

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Solution

The fourth proportional to 1,418.59, 2,125.95 and 1,071.64 is: 1,606.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.59 : 2,125.95 = 1,071.64 : x
  2. Step 2: Convert to fraction form
    1,418.59/2,125.95 = 1,071.64/x
  3. Step 3: Cross multiply
    1,418.59x = 2,125.95 × 1,071.64
  4. Step 4: Simplify right side
    1,418.59x = 2,278,251.70
  5. Step 5: Solve for x
    x = 2,278,251.70/1,418.59
  6. Step 6: Final answer
    x = 1,606.00

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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.