Home / 3,681.02-5,520.99-1,217.54

Finding the Fourth Proportional to 3,681.02, 5,520.99 and 1,217.54

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Solution

The fourth proportional to 3,681.02, 5,520.99 and 1,217.54 is: 1,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.02 : 5,520.99 = 1,217.54 : x
  2. Step 2: Convert to fraction form
    3,681.02/5,520.99 = 1,217.54/x
  3. Step 3: Cross multiply
    3,681.02x = 5,520.99 × 1,217.54
  4. Step 4: Simplify right side
    3,681.02x = 6,722,026.16
  5. Step 5: Solve for x
    x = 6,722,026.16/3,681.02
  6. Step 6: Final answer
    x = 1,826.13

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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.