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Finding the Fourth Proportional to 1,873.32, 2,809.95 and 1,462.79

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Solution

The fourth proportional to 1,873.32, 2,809.95 and 1,462.79 is: 2,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.32 : 2,809.95 = 1,462.79 : x
  2. Step 2: Convert to fraction form
    1,873.32/2,809.95 = 1,462.79/x
  3. Step 3: Cross multiply
    1,873.32x = 2,809.95 × 1,462.79
  4. Step 4: Simplify right side
    1,873.32x = 4,110,366.76
  5. Step 5: Solve for x
    x = 4,110,366.76/1,873.32
  6. Step 6: Final answer
    x = 2,194.16

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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.