Home / 3,437.67-5,156.37-1,357.05

Finding the Fourth Proportional to 3,437.67, 5,156.37 and 1,357.05

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Solution

The fourth proportional to 3,437.67, 5,156.37 and 1,357.05 is: 2,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.67 : 5,156.37 = 1,357.05 : x
  2. Step 2: Convert to fraction form
    3,437.67/5,156.37 = 1,357.05/x
  3. Step 3: Cross multiply
    3,437.67x = 5,156.37 × 1,357.05
  4. Step 4: Simplify right side
    3,437.67x = 6,997,451.91
  5. Step 5: Solve for x
    x = 6,997,451.91/3,437.67
  6. Step 6: Final answer
    x = 2,035.52

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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.