Home / 3,387.12-5,077.80-2,465.52

Finding the Fourth Proportional to 3,387.12, 5,077.80 and 2,465.52

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Solution

The fourth proportional to 3,387.12, 5,077.80 and 2,465.52 is: 3,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.12 : 5,077.80 = 2,465.52 : x
  2. Step 2: Convert to fraction form
    3,387.12/5,077.80 = 2,465.52/x
  3. Step 3: Cross multiply
    3,387.12x = 5,077.80 × 2,465.52
  4. Step 4: Simplify right side
    3,387.12x = 12,519,417.46
  5. Step 5: Solve for x
    x = 12,519,417.46/3,387.12
  6. Step 6: Final answer
    x = 3,696.18

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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.