Home / 1,347.88-2,012.66-1,182.10

Finding the Fourth Proportional to 1,347.88, 2,012.66 and 1,182.10

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Solution

The fourth proportional to 1,347.88, 2,012.66 and 1,182.10 is: 1,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.88 : 2,012.66 = 1,182.10 : x
  2. Step 2: Convert to fraction form
    1,347.88/2,012.66 = 1,182.10/x
  3. Step 3: Cross multiply
    1,347.88x = 2,012.66 × 1,182.10
  4. Step 4: Simplify right side
    1,347.88x = 2,379,165.39
  5. Step 5: Solve for x
    x = 2,379,165.39/1,347.88
  6. Step 6: Final answer
    x = 1,765.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.