Home / 2,323.17-3,480.12-1,398.23

Finding the Fourth Proportional to 2,323.17, 3,480.12 and 1,398.23

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Solution

The fourth proportional to 2,323.17, 3,480.12 and 1,398.23 is: 2,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.17 : 3,480.12 = 1,398.23 : x
  2. Step 2: Convert to fraction form
    2,323.17/3,480.12 = 1,398.23/x
  3. Step 3: Cross multiply
    2,323.17x = 3,480.12 × 1,398.23
  4. Step 4: Simplify right side
    2,323.17x = 4,865,990.79
  5. Step 5: Solve for x
    x = 4,865,990.79/2,323.17
  6. Step 6: Final answer
    x = 2,094.55

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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.