Home / 3,655.12-5,044.08-2,083.20

Finding the Fourth Proportional to 3,655.12, 5,044.08 and 2,083.20

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Solution

The fourth proportional to 3,655.12, 5,044.08 and 2,083.20 is: 2,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.12 : 5,044.08 = 2,083.20 : x
  2. Step 2: Convert to fraction form
    3,655.12/5,044.08 = 2,083.20/x
  3. Step 3: Cross multiply
    3,655.12x = 5,044.08 × 2,083.20
  4. Step 4: Simplify right side
    3,655.12x = 10,507,827.46
  5. Step 5: Solve for x
    x = 10,507,827.46/3,655.12
  6. Step 6: Final answer
    x = 2,874.82

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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.