Home / 2,175.12-3,259.73-1,002.55

Finding the Fourth Proportional to 2,175.12, 3,259.73 and 1,002.55

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Solution

The fourth proportional to 2,175.12, 3,259.73 and 1,002.55 is: 1,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.12 : 3,259.73 = 1,002.55 : x
  2. Step 2: Convert to fraction form
    2,175.12/3,259.73 = 1,002.55/x
  3. Step 3: Cross multiply
    2,175.12x = 3,259.73 × 1,002.55
  4. Step 4: Simplify right side
    2,175.12x = 3,268,036.67
  5. Step 5: Solve for x
    x = 3,268,036.67/2,175.12
  6. Step 6: Final answer
    x = 1,502.46

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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.