Home / 3,734.68-5,602.20-1,426

Finding the Fourth Proportional to 3,734.68, 5,602.20 and 1,426

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Solution

The fourth proportional to 3,734.68, 5,602.20 and 1,426 is: 2,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.68 : 5,602.20 = 1,426 : x
  2. Step 2: Convert to fraction form
    3,734.68/5,602.20 = 1,426/x
  3. Step 3: Cross multiply
    3,734.68x = 5,602.20 × 1,426
  4. Step 4: Simplify right side
    3,734.68x = 7,988,737.20
  5. Step 5: Solve for x
    x = 7,988,737.20/3,734.68
  6. Step 6: Final answer
    x = 2,139.07

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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.