Home / 3,437.51-5,156.91-1,587.41

Finding the Fourth Proportional to 3,437.51, 5,156.91 and 1,587.41

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Solution

The fourth proportional to 3,437.51, 5,156.91 and 1,587.41 is: 2,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.51 : 5,156.91 = 1,587.41 : x
  2. Step 2: Convert to fraction form
    3,437.51/5,156.91 = 1,587.41/x
  3. Step 3: Cross multiply
    3,437.51x = 5,156.91 × 1,587.41
  4. Step 4: Simplify right side
    3,437.51x = 8,186,104.72
  5. Step 5: Solve for x
    x = 8,186,104.72/3,437.51
  6. Step 6: Final answer
    x = 2,381.40

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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.