Home / 3,437.25-5,131.23-2,913.72

Finding the Fourth Proportional to 3,437.25, 5,131.23 and 2,913.72

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Solution

The fourth proportional to 3,437.25, 5,131.23 and 2,913.72 is: 4,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.25 : 5,131.23 = 2,913.72 : x
  2. Step 2: Convert to fraction form
    3,437.25/5,131.23 = 2,913.72/x
  3. Step 3: Cross multiply
    3,437.25x = 5,131.23 × 2,913.72
  4. Step 4: Simplify right side
    3,437.25x = 14,950,967.48
  5. Step 5: Solve for x
    x = 14,950,967.48/3,437.25
  6. Step 6: Final answer
    x = 4,349.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.