Home / 1,623.18-2,432.46-1,256.25

Finding the Fourth Proportional to 1,623.18, 2,432.46 and 1,256.25

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Solution

The fourth proportional to 1,623.18, 2,432.46 and 1,256.25 is: 1,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.18 : 2,432.46 = 1,256.25 : x
  2. Step 2: Convert to fraction form
    1,623.18/2,432.46 = 1,256.25/x
  3. Step 3: Cross multiply
    1,623.18x = 2,432.46 × 1,256.25
  4. Step 4: Simplify right side
    1,623.18x = 3,055,777.88
  5. Step 5: Solve for x
    x = 3,055,777.88/1,623.18
  6. Step 6: Final answer
    x = 1,882.59

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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.