Home / 2,391.44-3,298.46-2,354.99

Finding the Fourth Proportional to 2,391.44, 3,298.46 and 2,354.99

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Solution

The fourth proportional to 2,391.44, 3,298.46 and 2,354.99 is: 3,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.44 : 3,298.46 = 2,354.99 : x
  2. Step 2: Convert to fraction form
    2,391.44/3,298.46 = 2,354.99/x
  3. Step 3: Cross multiply
    2,391.44x = 3,298.46 × 2,354.99
  4. Step 4: Simplify right side
    2,391.44x = 7,767,812.05
  5. Step 5: Solve for x
    x = 7,767,812.05/2,391.44
  6. Step 6: Final answer
    x = 3,248.18

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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.