Home / 1,224.18-1,837.08-1,143.18

Finding the Fourth Proportional to 1,224.18, 1,837.08 and 1,143.18

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Solution

The fourth proportional to 1,224.18, 1,837.08 and 1,143.18 is: 1,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.18 : 1,837.08 = 1,143.18 : x
  2. Step 2: Convert to fraction form
    1,224.18/1,837.08 = 1,143.18/x
  3. Step 3: Cross multiply
    1,224.18x = 1,837.08 × 1,143.18
  4. Step 4: Simplify right side
    1,224.18x = 2,100,113.11
  5. Step 5: Solve for x
    x = 2,100,113.11/1,224.18
  6. Step 6: Final answer
    x = 1,715.53

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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.