Home / 1,627.18-2,247.36-1,102.30

Finding the Fourth Proportional to 1,627.18, 2,247.36 and 1,102.30

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Solution

The fourth proportional to 1,627.18, 2,247.36 and 1,102.30 is: 1,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.18 : 2,247.36 = 1,102.30 : x
  2. Step 2: Convert to fraction form
    1,627.18/2,247.36 = 1,102.30/x
  3. Step 3: Cross multiply
    1,627.18x = 2,247.36 × 1,102.30
  4. Step 4: Simplify right side
    1,627.18x = 2,477,264.93
  5. Step 5: Solve for x
    x = 2,477,264.93/1,627.18
  6. Step 6: Final answer
    x = 1,522.43

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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.