Home / 3,437.11-5,156.21-1,357.12

Finding the Fourth Proportional to 3,437.11, 5,156.21 and 1,357.12

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Solution

The fourth proportional to 3,437.11, 5,156.21 and 1,357.12 is: 2,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.11 : 5,156.21 = 1,357.12 : x
  2. Step 2: Convert to fraction form
    3,437.11/5,156.21 = 1,357.12/x
  3. Step 3: Cross multiply
    3,437.11x = 5,156.21 × 1,357.12
  4. Step 4: Simplify right side
    3,437.11x = 6,997,595.72
  5. Step 5: Solve for x
    x = 6,997,595.72/3,437.11
  6. Step 6: Final answer
    x = 2,035.90

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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.