Home / 2,317.79-3,474.87-1,146.97

Finding the Fourth Proportional to 2,317.79, 3,474.87 and 1,146.97

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Solution

The fourth proportional to 2,317.79, 3,474.87 and 1,146.97 is: 1,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.79 : 3,474.87 = 1,146.97 : x
  2. Step 2: Convert to fraction form
    2,317.79/3,474.87 = 1,146.97/x
  3. Step 3: Cross multiply
    2,317.79x = 3,474.87 × 1,146.97
  4. Step 4: Simplify right side
    2,317.79x = 3,985,574.60
  5. Step 5: Solve for x
    x = 3,985,574.60/2,317.79
  6. Step 6: Final answer
    x = 1,719.56

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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.