Home / 2,402.30-3,606.15-1,856.90

Finding the Fourth Proportional to 2,402.30, 3,606.15 and 1,856.90

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Solution

The fourth proportional to 2,402.30, 3,606.15 and 1,856.90 is: 2,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.30 : 3,606.15 = 1,856.90 : x
  2. Step 2: Convert to fraction form
    2,402.30/3,606.15 = 1,856.90/x
  3. Step 3: Cross multiply
    2,402.30x = 3,606.15 × 1,856.90
  4. Step 4: Simplify right side
    2,402.30x = 6,696,259.94
  5. Step 5: Solve for x
    x = 6,696,259.94/2,402.30
  6. Step 6: Final answer
    x = 2,787.44

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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.