Home / 1,557.22-2,336.28-461.61

Finding the Fourth Proportional to 1,557.22, 2,336.28 and 461.61

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Solution

The fourth proportional to 1,557.22, 2,336.28 and 461.61 is: 692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.22 : 2,336.28 = 461.61 : x
  2. Step 2: Convert to fraction form
    1,557.22/2,336.28 = 461.61/x
  3. Step 3: Cross multiply
    1,557.22x = 2,336.28 × 461.61
  4. Step 4: Simplify right side
    1,557.22x = 1,078,458.95
  5. Step 5: Solve for x
    x = 1,078,458.95/1,557.22
  6. Step 6: Final answer
    x = 692.55

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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.