Home / 3,291.12-4,937.76-1,344.24

Finding the Fourth Proportional to 3,291.12, 4,937.76 and 1,344.24

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Solution

The fourth proportional to 3,291.12, 4,937.76 and 1,344.24 is: 2,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.12 : 4,937.76 = 1,344.24 : x
  2. Step 2: Convert to fraction form
    3,291.12/4,937.76 = 1,344.24/x
  3. Step 3: Cross multiply
    3,291.12x = 4,937.76 × 1,344.24
  4. Step 4: Simplify right side
    3,291.12x = 6,637,534.50
  5. Step 5: Solve for x
    x = 6,637,534.50/3,291.12
  6. Step 6: Final answer
    x = 2,016.80

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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.