Home / 3,152.12-4,727.10-1,277.96

Finding the Fourth Proportional to 3,152.12, 4,727.10 and 1,277.96

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Solution

The fourth proportional to 3,152.12, 4,727.10 and 1,277.96 is: 1,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.12 : 4,727.10 = 1,277.96 : x
  2. Step 2: Convert to fraction form
    3,152.12/4,727.10 = 1,277.96/x
  3. Step 3: Cross multiply
    3,152.12x = 4,727.10 × 1,277.96
  4. Step 4: Simplify right side
    3,152.12x = 6,041,044.72
  5. Step 5: Solve for x
    x = 6,041,044.72/3,152.12
  6. Step 6: Final answer
    x = 1,916.50

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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.