Home / 1,475.40-2,210.67-1,086.20

Finding the Fourth Proportional to 1,475.40, 2,210.67 and 1,086.20

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Solution

The fourth proportional to 1,475.40, 2,210.67 and 1,086.20 is: 1,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.40 : 2,210.67 = 1,086.20 : x
  2. Step 2: Convert to fraction form
    1,475.40/2,210.67 = 1,086.20/x
  3. Step 3: Cross multiply
    1,475.40x = 2,210.67 × 1,086.20
  4. Step 4: Simplify right side
    1,475.40x = 2,401,229.75
  5. Step 5: Solve for x
    x = 2,401,229.75/1,475.40
  6. Step 6: Final answer
    x = 1,627.51

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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.