Home / 1,630.66-2,249.49-1,165.18

Finding the Fourth Proportional to 1,630.66, 2,249.49 and 1,165.18

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Solution

The fourth proportional to 1,630.66, 2,249.49 and 1,165.18 is: 1,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.66 : 2,249.49 = 1,165.18 : x
  2. Step 2: Convert to fraction form
    1,630.66/2,249.49 = 1,165.18/x
  3. Step 3: Cross multiply
    1,630.66x = 2,249.49 × 1,165.18
  4. Step 4: Simplify right side
    1,630.66x = 2,621,060.76
  5. Step 5: Solve for x
    x = 2,621,060.76/1,630.66
  6. Step 6: Final answer
    x = 1,607.36

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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.