Home / 2,439.36-3,366.72-1,652.88

Finding the Fourth Proportional to 2,439.36, 3,366.72 and 1,652.88

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Solution

The fourth proportional to 2,439.36, 3,366.72 and 1,652.88 is: 2,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.36 : 3,366.72 = 1,652.88 : x
  2. Step 2: Convert to fraction form
    2,439.36/3,366.72 = 1,652.88/x
  3. Step 3: Cross multiply
    2,439.36x = 3,366.72 × 1,652.88
  4. Step 4: Simplify right side
    2,439.36x = 5,564,784.15
  5. Step 5: Solve for x
    x = 5,564,784.15/2,439.36
  6. Step 6: Final answer
    x = 2,281.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.