Home / 1,444.29-2,157.20-1,249.89

Finding the Fourth Proportional to 1,444.29, 2,157.20 and 1,249.89

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Solution

The fourth proportional to 1,444.29, 2,157.20 and 1,249.89 is: 1,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.29 : 2,157.20 = 1,249.89 : x
  2. Step 2: Convert to fraction form
    1,444.29/2,157.20 = 1,249.89/x
  3. Step 3: Cross multiply
    1,444.29x = 2,157.20 × 1,249.89
  4. Step 4: Simplify right side
    1,444.29x = 2,696,256.46
  5. Step 5: Solve for x
    x = 2,696,256.46/1,444.29
  6. Step 6: Final answer
    x = 1,866.84

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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.