Home / 2,052.32-2,839.20-1,702.40

Finding the Fourth Proportional to 2,052.32, 2,839.20 and 1,702.40

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Solution

The fourth proportional to 2,052.32, 2,839.20 and 1,702.40 is: 2,355.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.32 : 2,839.20 = 1,702.40 : x
  2. Step 2: Convert to fraction form
    2,052.32/2,839.20 = 1,702.40/x
  3. Step 3: Cross multiply
    2,052.32x = 2,839.20 × 1,702.40
  4. Step 4: Simplify right side
    2,052.32x = 4,833,454.08
  5. Step 5: Solve for x
    x = 4,833,454.08/2,052.32
  6. Step 6: Final answer
    x = 2,355.12

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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.