Home / 3,821.52-5,276.15-2,407.12

Finding the Fourth Proportional to 3,821.52, 5,276.15 and 2,407.12

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Solution

The fourth proportional to 3,821.52, 5,276.15 and 2,407.12 is: 3,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.52 : 5,276.15 = 2,407.12 : x
  2. Step 2: Convert to fraction form
    3,821.52/5,276.15 = 2,407.12/x
  3. Step 3: Cross multiply
    3,821.52x = 5,276.15 × 2,407.12
  4. Step 4: Simplify right side
    3,821.52x = 12,700,326.19
  5. Step 5: Solve for x
    x = 12,700,326.19/3,821.52
  6. Step 6: Final answer
    x = 3,323.37

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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.