Home / 1,788.80-2,472.68-1,492.34

Finding the Fourth Proportional to 1,788.80, 2,472.68 and 1,492.34

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Solution

The fourth proportional to 1,788.80, 2,472.68 and 1,492.34 is: 2,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.80 : 2,472.68 = 1,492.34 : x
  2. Step 2: Convert to fraction form
    1,788.80/2,472.68 = 1,492.34/x
  3. Step 3: Cross multiply
    1,788.80x = 2,472.68 × 1,492.34
  4. Step 4: Simplify right side
    1,788.80x = 3,690,071.81
  5. Step 5: Solve for x
    x = 3,690,071.81/1,788.80
  6. Step 6: Final answer
    x = 2,062.88

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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.