Home / 2,630.10-3,925.90-2,318.73

Finding the Fourth Proportional to 2,630.10, 3,925.90 and 2,318.73

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Solution

The fourth proportional to 2,630.10, 3,925.90 and 2,318.73 is: 3,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.10 : 3,925.90 = 2,318.73 : x
  2. Step 2: Convert to fraction form
    2,630.10/3,925.90 = 2,318.73/x
  3. Step 3: Cross multiply
    2,630.10x = 3,925.90 × 2,318.73
  4. Step 4: Simplify right side
    2,630.10x = 9,103,102.11
  5. Step 5: Solve for x
    x = 9,103,102.11/2,630.10
  6. Step 6: Final answer
    x = 3,461.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.