Home / 2,318.04-3,197.76-1,687.59

Finding the Fourth Proportional to 2,318.04, 3,197.76 and 1,687.59

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Solution

The fourth proportional to 2,318.04, 3,197.76 and 1,687.59 is: 2,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.04 : 3,197.76 = 1,687.59 : x
  2. Step 2: Convert to fraction form
    2,318.04/3,197.76 = 1,687.59/x
  3. Step 3: Cross multiply
    2,318.04x = 3,197.76 × 1,687.59
  4. Step 4: Simplify right side
    2,318.04x = 5,396,507.80
  5. Step 5: Solve for x
    x = 5,396,507.80/2,318.04
  6. Step 6: Final answer
    x = 2,328.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.