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Finding the Fourth Proportional to 2,835.92, 4,254.20 and 887.76

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Solution

The fourth proportional to 2,835.92, 4,254.20 and 887.76 is: 1,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.92 : 4,254.20 = 887.76 : x
  2. Step 2: Convert to fraction form
    2,835.92/4,254.20 = 887.76/x
  3. Step 3: Cross multiply
    2,835.92x = 4,254.20 × 887.76
  4. Step 4: Simplify right side
    2,835.92x = 3,776,708.59
  5. Step 5: Solve for x
    x = 3,776,708.59/2,835.92
  6. Step 6: Final answer
    x = 1,331.74

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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.