Home / 3,437.80-5,154.36-1,587.90

Finding the Fourth Proportional to 3,437.80, 5,154.36 and 1,587.90

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Solution

The fourth proportional to 3,437.80, 5,154.36 and 1,587.90 is: 2,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.80 : 5,154.36 = 1,587.90 : x
  2. Step 2: Convert to fraction form
    3,437.80/5,154.36 = 1,587.90/x
  3. Step 3: Cross multiply
    3,437.80x = 5,154.36 × 1,587.90
  4. Step 4: Simplify right side
    3,437.80x = 8,184,608.24
  5. Step 5: Solve for x
    x = 8,184,608.24/3,437.80
  6. Step 6: Final answer
    x = 2,380.77

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1.5x scale

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.