Home / 3,134.76-4,712.40-2,904.72

Finding the Fourth Proportional to 3,134.76, 4,712.40 and 2,904.72

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Solution

The fourth proportional to 3,134.76, 4,712.40 and 2,904.72 is: 4,366.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.76 : 4,712.40 = 2,904.72 : x
  2. Step 2: Convert to fraction form
    3,134.76/4,712.40 = 2,904.72/x
  3. Step 3: Cross multiply
    3,134.76x = 4,712.40 × 2,904.72
  4. Step 4: Simplify right side
    3,134.76x = 13,688,202.53
  5. Step 5: Solve for x
    x = 13,688,202.53/3,134.76
  6. Step 6: Final answer
    x = 4,366.59

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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.