Home / 4,302.39-5,931.62-2,807.70

Finding the Fourth Proportional to 4,302.39, 5,931.62 and 2,807.70

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Solution

The fourth proportional to 4,302.39, 5,931.62 and 2,807.70 is: 3,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,302.39 : 5,931.62 = 2,807.70 : x
  2. Step 2: Convert to fraction form
    4,302.39/5,931.62 = 2,807.70/x
  3. Step 3: Cross multiply
    4,302.39x = 5,931.62 × 2,807.70
  4. Step 4: Simplify right side
    4,302.39x = 16,654,195.44
  5. Step 5: Solve for x
    x = 16,654,195.44/4,302.39
  6. Step 6: Final answer
    x = 3,870.92

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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.