Home / 3,437.58-5,156.34-1,489.32

Finding the Fourth Proportional to 3,437.58, 5,156.34 and 1,489.32

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Solution

The fourth proportional to 3,437.58, 5,156.34 and 1,489.32 is: 2,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.58 : 5,156.34 = 1,489.32 : x
  2. Step 2: Convert to fraction form
    3,437.58/5,156.34 = 1,489.32/x
  3. Step 3: Cross multiply
    3,437.58x = 5,156.34 × 1,489.32
  4. Step 4: Simplify right side
    3,437.58x = 7,679,440.29
  5. Step 5: Solve for x
    x = 7,679,440.29/3,437.58
  6. Step 6: Final answer
    x = 2,233.97

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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.