Home / 3,098.72-4,644.02-2,686.16

Finding the Fourth Proportional to 3,098.72, 4,644.02 and 2,686.16

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Solution

The fourth proportional to 3,098.72, 4,644.02 and 2,686.16 is: 4,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.72 : 4,644.02 = 2,686.16 : x
  2. Step 2: Convert to fraction form
    3,098.72/4,644.02 = 2,686.16/x
  3. Step 3: Cross multiply
    3,098.72x = 4,644.02 × 2,686.16
  4. Step 4: Simplify right side
    3,098.72x = 12,474,580.76
  5. Step 5: Solve for x
    x = 12,474,580.76/3,098.72
  6. Step 6: Final answer
    x = 4,025.72

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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.