Home / 1,437.13-2,152.48-1,249.63

Finding the Fourth Proportional to 1,437.13, 2,152.48 and 1,249.63

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Solution

The fourth proportional to 1,437.13, 2,152.48 and 1,249.63 is: 1,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.13 : 2,152.48 = 1,249.63 : x
  2. Step 2: Convert to fraction form
    1,437.13/2,152.48 = 1,249.63/x
  3. Step 3: Cross multiply
    1,437.13x = 2,152.48 × 1,249.63
  4. Step 4: Simplify right side
    1,437.13x = 2,689,803.58
  5. Step 5: Solve for x
    x = 2,689,803.58/1,437.13
  6. Step 6: Final answer
    x = 1,871.65

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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.