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Finding the Fourth Proportional to 2,957.57, 4,437.22 and 877.63

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Solution

The fourth proportional to 2,957.57, 4,437.22 and 877.63 is: 1,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.57 : 4,437.22 = 877.63 : x
  2. Step 2: Convert to fraction form
    2,957.57/4,437.22 = 877.63/x
  3. Step 3: Cross multiply
    2,957.57x = 4,437.22 × 877.63
  4. Step 4: Simplify right side
    2,957.57x = 3,894,237.39
  5. Step 5: Solve for x
    x = 3,894,237.39/2,957.57
  6. Step 6: Final answer
    x = 1,316.70

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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.