Home / 1,410.16-2,115.24-1,101.55

Finding the Fourth Proportional to 1,410.16, 2,115.24 and 1,101.55

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Solution

The fourth proportional to 1,410.16, 2,115.24 and 1,101.55 is: 1,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.16 : 2,115.24 = 1,101.55 : x
  2. Step 2: Convert to fraction form
    1,410.16/2,115.24 = 1,101.55/x
  3. Step 3: Cross multiply
    1,410.16x = 2,115.24 × 1,101.55
  4. Step 4: Simplify right side
    1,410.16x = 2,330,042.62
  5. Step 5: Solve for x
    x = 2,330,042.62/1,410.16
  6. Step 6: Final answer
    x = 1,652.33

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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.