Home / 3,691.12-5,091.08-2,510.08

Finding the Fourth Proportional to 3,691.12, 5,091.08 and 2,510.08

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Solution

The fourth proportional to 3,691.12, 5,091.08 and 2,510.08 is: 3,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.12 : 5,091.08 = 2,510.08 : x
  2. Step 2: Convert to fraction form
    3,691.12/5,091.08 = 2,510.08/x
  3. Step 3: Cross multiply
    3,691.12x = 5,091.08 × 2,510.08
  4. Step 4: Simplify right side
    3,691.12x = 12,779,018.09
  5. Step 5: Solve for x
    x = 12,779,018.09/3,691.12
  6. Step 6: Final answer
    x = 3,462.10

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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.