Home / 2,428.60-3,639.96-1,731.52

Finding the Fourth Proportional to 2,428.60, 3,639.96 and 1,731.52

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Solution

The fourth proportional to 2,428.60, 3,639.96 and 1,731.52 is: 2,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.60 : 3,639.96 = 1,731.52 : x
  2. Step 2: Convert to fraction form
    2,428.60/3,639.96 = 1,731.52/x
  3. Step 3: Cross multiply
    2,428.60x = 3,639.96 × 1,731.52
  4. Step 4: Simplify right side
    2,428.60x = 6,302,663.54
  5. Step 5: Solve for x
    x = 6,302,663.54/2,428.60
  6. Step 6: Final answer
    x = 2,595.18

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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.