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Finding the Fourth Proportional to 2,853.44, 4,280.16 and 1,557.44

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Solution

The fourth proportional to 2,853.44, 4,280.16 and 1,557.44 is: 2,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.44 : 4,280.16 = 1,557.44 : x
  2. Step 2: Convert to fraction form
    2,853.44/4,280.16 = 1,557.44/x
  3. Step 3: Cross multiply
    2,853.44x = 4,280.16 × 1,557.44
  4. Step 4: Simplify right side
    2,853.44x = 6,666,092.39
  5. Step 5: Solve for x
    x = 6,666,092.39/2,853.44
  6. Step 6: Final answer
    x = 2,336.16

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Similar ratio
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1.5x scale

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.