Home / 3,437.97-5,157.15-1,490.32

Finding the Fourth Proportional to 3,437.97, 5,157.15 and 1,490.32

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Solution

The fourth proportional to 3,437.97, 5,157.15 and 1,490.32 is: 2,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.97 : 5,157.15 = 1,490.32 : x
  2. Step 2: Convert to fraction form
    3,437.97/5,157.15 = 1,490.32/x
  3. Step 3: Cross multiply
    3,437.97x = 5,157.15 × 1,490.32
  4. Step 4: Simplify right side
    3,437.97x = 7,685,803.79
  5. Step 5: Solve for x
    x = 7,685,803.79/3,437.97
  6. Step 6: Final answer
    x = 2,235.56

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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.