Home / 3,437.89-5,157.77-1,587.49

Finding the Fourth Proportional to 3,437.89, 5,157.77 and 1,587.49

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Solution

The fourth proportional to 3,437.89, 5,157.77 and 1,587.49 is: 2,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.89 : 5,157.77 = 1,587.49 : x
  2. Step 2: Convert to fraction form
    3,437.89/5,157.77 = 1,587.49/x
  3. Step 3: Cross multiply
    3,437.89x = 5,157.77 × 1,587.49
  4. Step 4: Simplify right side
    3,437.89x = 8,187,900.36
  5. Step 5: Solve for x
    x = 8,187,900.36/3,437.89
  6. Step 6: Final answer
    x = 2,381.66

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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.