Home / 2,137.50-2,952.18-1,437.66

Finding the Fourth Proportional to 2,137.50, 2,952.18 and 1,437.66

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Solution

The fourth proportional to 2,137.50, 2,952.18 and 1,437.66 is: 1,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.50 : 2,952.18 = 1,437.66 : x
  2. Step 2: Convert to fraction form
    2,137.50/2,952.18 = 1,437.66/x
  3. Step 3: Cross multiply
    2,137.50x = 2,952.18 × 1,437.66
  4. Step 4: Simplify right side
    2,137.50x = 4,244,231.10
  5. Step 5: Solve for x
    x = 4,244,231.10/2,137.50
  6. Step 6: Final answer
    x = 1,985.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.