Home / 1,829.15-2,524.24-989.86

Finding the Fourth Proportional to 1,829.15, 2,524.24 and 989.86

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Solution

The fourth proportional to 1,829.15, 2,524.24 and 989.86 is: 1,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.15 : 2,524.24 = 989.86 : x
  2. Step 2: Convert to fraction form
    1,829.15/2,524.24 = 989.86/x
  3. Step 3: Cross multiply
    1,829.15x = 2,524.24 × 989.86
  4. Step 4: Simplify right side
    1,829.15x = 2,498,638.30
  5. Step 5: Solve for x
    x = 2,498,638.30/1,829.15
  6. Step 6: Final answer
    x = 1,366.01

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1.5x scale

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.