Home / 2,462.18-3,688.15-1,225.85

Finding the Fourth Proportional to 2,462.18, 3,688.15 and 1,225.85

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Solution

The fourth proportional to 2,462.18, 3,688.15 and 1,225.85 is: 1,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.18 : 3,688.15 = 1,225.85 : x
  2. Step 2: Convert to fraction form
    2,462.18/3,688.15 = 1,225.85/x
  3. Step 3: Cross multiply
    2,462.18x = 3,688.15 × 1,225.85
  4. Step 4: Simplify right side
    2,462.18x = 4,521,097.17
  5. Step 5: Solve for x
    x = 4,521,097.17/2,462.18
  6. Step 6: Final answer
    x = 1,836.22

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1.5x scale

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.