Home / 1,600.32-2,207.60-1,102.10

Finding the Fourth Proportional to 1,600.32, 2,207.60 and 1,102.10

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Solution

The fourth proportional to 1,600.32, 2,207.60 and 1,102.10 is: 1,520.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.32 : 2,207.60 = 1,102.10 : x
  2. Step 2: Convert to fraction form
    1,600.32/2,207.60 = 1,102.10/x
  3. Step 3: Cross multiply
    1,600.32x = 2,207.60 × 1,102.10
  4. Step 4: Simplify right side
    1,600.32x = 2,432,984.92
  5. Step 5: Solve for x
    x = 2,432,984.92/1,600.32
  6. Step 6: Final answer
    x = 1,520.31

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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.