Home / 2,363.40-3,543.80-1,131.12

Finding the Fourth Proportional to 2,363.40, 3,543.80 and 1,131.12

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Solution

The fourth proportional to 2,363.40, 3,543.80 and 1,131.12 is: 1,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.40 : 3,543.80 = 1,131.12 : x
  2. Step 2: Convert to fraction form
    2,363.40/3,543.80 = 1,131.12/x
  3. Step 3: Cross multiply
    2,363.40x = 3,543.80 × 1,131.12
  4. Step 4: Simplify right side
    2,363.40x = 4,008,463.06
  5. Step 5: Solve for x
    x = 4,008,463.06/2,363.40
  6. Step 6: Final answer
    x = 1,696.06

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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.