Home / 2,345.15-3,229.70-2,294.12

Finding the Fourth Proportional to 2,345.15, 3,229.70 and 2,294.12

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Solution

The fourth proportional to 2,345.15, 3,229.70 and 2,294.12 is: 3,159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.15 : 3,229.70 = 2,294.12 : x
  2. Step 2: Convert to fraction form
    2,345.15/3,229.70 = 2,294.12/x
  3. Step 3: Cross multiply
    2,345.15x = 3,229.70 × 2,294.12
  4. Step 4: Simplify right side
    2,345.15x = 7,409,291.74
  5. Step 5: Solve for x
    x = 7,409,291.74/2,345.15
  6. Step 6: Final answer
    x = 3,159.42

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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.