Home / 3,130.92-4,689-2,482.02

Finding the Fourth Proportional to 3,130.92, 4,689 and 2,482.02

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Solution

The fourth proportional to 3,130.92, 4,689 and 2,482.02 is: 3,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.92 : 4,689 = 2,482.02 : x
  2. Step 2: Convert to fraction form
    3,130.92/4,689 = 2,482.02/x
  3. Step 3: Cross multiply
    3,130.92x = 4,689 × 2,482.02
  4. Step 4: Simplify right side
    3,130.92x = 11,638,191.78
  5. Step 5: Solve for x
    x = 11,638,191.78/3,130.92
  6. Step 6: Final answer
    x = 3,717.18

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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.