Home / 1,366.08-1,884.18-972.96

Finding the Fourth Proportional to 1,366.08, 1,884.18 and 972.96

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Solution

The fourth proportional to 1,366.08, 1,884.18 and 972.96 is: 1,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.08 : 1,884.18 = 972.96 : x
  2. Step 2: Convert to fraction form
    1,366.08/1,884.18 = 972.96/x
  3. Step 3: Cross multiply
    1,366.08x = 1,884.18 × 972.96
  4. Step 4: Simplify right side
    1,366.08x = 1,833,231.77
  5. Step 5: Solve for x
    x = 1,833,231.77/1,366.08
  6. Step 6: Final answer
    x = 1,341.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.