Home / 3,862.08-5,802.35-2,478.13

Finding the Fourth Proportional to 3,862.08, 5,802.35 and 2,478.13

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Solution

The fourth proportional to 3,862.08, 5,802.35 and 2,478.13 is: 3,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.08 : 5,802.35 = 2,478.13 : x
  2. Step 2: Convert to fraction form
    3,862.08/5,802.35 = 2,478.13/x
  3. Step 3: Cross multiply
    3,862.08x = 5,802.35 × 2,478.13
  4. Step 4: Simplify right side
    3,862.08x = 14,378,977.61
  5. Step 5: Solve for x
    x = 14,378,977.61/3,862.08
  6. Step 6: Final answer
    x = 3,723.12

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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.