Home / 2,520.24-3,779.06-1,132.39

Finding the Fourth Proportional to 2,520.24, 3,779.06 and 1,132.39

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Solution

The fourth proportional to 2,520.24, 3,779.06 and 1,132.39 is: 1,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.24 : 3,779.06 = 1,132.39 : x
  2. Step 2: Convert to fraction form
    2,520.24/3,779.06 = 1,132.39/x
  3. Step 3: Cross multiply
    2,520.24x = 3,779.06 × 1,132.39
  4. Step 4: Simplify right side
    2,520.24x = 4,279,369.75
  5. Step 5: Solve for x
    x = 4,279,369.75/2,520.24
  6. Step 6: Final answer
    x = 1,698.00

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1.5x scale

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.