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Finding the Fourth Proportional to 3,156.10, 4,733.98 and 964.66

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Solution

The fourth proportional to 3,156.10, 4,733.98 and 964.66 is: 1,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.10 : 4,733.98 = 964.66 : x
  2. Step 2: Convert to fraction form
    3,156.10/4,733.98 = 964.66/x
  3. Step 3: Cross multiply
    3,156.10x = 4,733.98 × 964.66
  4. Step 4: Simplify right side
    3,156.10x = 4,566,681.15
  5. Step 5: Solve for x
    x = 4,566,681.15/3,156.10
  6. Step 6: Final answer
    x = 1,446.94

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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.