Home / 2,899.52-4,349.28-1,439.70

Finding the Fourth Proportional to 2,899.52, 4,349.28 and 1,439.70

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Solution

The fourth proportional to 2,899.52, 4,349.28 and 1,439.70 is: 2,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.52 : 4,349.28 = 1,439.70 : x
  2. Step 2: Convert to fraction form
    2,899.52/4,349.28 = 1,439.70/x
  3. Step 3: Cross multiply
    2,899.52x = 4,349.28 × 1,439.70
  4. Step 4: Simplify right side
    2,899.52x = 6,261,629.47
  5. Step 5: Solve for x
    x = 6,261,629.47/2,899.52
  6. Step 6: Final answer
    x = 2,159.54

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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.