Home / 3,156.93-4,737.51-1,308.02

Finding the Fourth Proportional to 3,156.93, 4,737.51 and 1,308.02

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Solution

The fourth proportional to 3,156.93, 4,737.51 and 1,308.02 is: 1,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.93 : 4,737.51 = 1,308.02 : x
  2. Step 2: Convert to fraction form
    3,156.93/4,737.51 = 1,308.02/x
  3. Step 3: Cross multiply
    3,156.93x = 4,737.51 × 1,308.02
  4. Step 4: Simplify right side
    3,156.93x = 6,196,734.14
  5. Step 5: Solve for x
    x = 6,196,734.14/3,156.93
  6. Step 6: Final answer
    x = 1,962.90

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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.