Home / 2,617.03-3,925.53-1,520.80

Finding the Fourth Proportional to 2,617.03, 3,925.53 and 1,520.80

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Solution

The fourth proportional to 2,617.03, 3,925.53 and 1,520.80 is: 2,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.03 : 3,925.53 = 1,520.80 : x
  2. Step 2: Convert to fraction form
    2,617.03/3,925.53 = 1,520.80/x
  3. Step 3: Cross multiply
    2,617.03x = 3,925.53 × 1,520.80
  4. Step 4: Simplify right side
    2,617.03x = 5,969,946.02
  5. Step 5: Solve for x
    x = 5,969,946.02/2,617.03
  6. Step 6: Final answer
    x = 2,281.19

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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.