Home / 3,113.61-4,671.28-1,551.73

Finding the Fourth Proportional to 3,113.61, 4,671.28 and 1,551.73

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Solution

The fourth proportional to 3,113.61, 4,671.28 and 1,551.73 is: 2,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.61 : 4,671.28 = 1,551.73 : x
  2. Step 2: Convert to fraction form
    3,113.61/4,671.28 = 1,551.73/x
  3. Step 3: Cross multiply
    3,113.61x = 4,671.28 × 1,551.73
  4. Step 4: Simplify right side
    3,113.61x = 7,248,569.84
  5. Step 5: Solve for x
    x = 7,248,569.84/3,113.61
  6. Step 6: Final answer
    x = 2,328.02

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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.