Home / 1,218.88-1,826.23-1,025.13

Finding the Fourth Proportional to 1,218.88, 1,826.23 and 1,025.13

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Solution

The fourth proportional to 1,218.88, 1,826.23 and 1,025.13 is: 1,535.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.88 : 1,826.23 = 1,025.13 : x
  2. Step 2: Convert to fraction form
    1,218.88/1,826.23 = 1,025.13/x
  3. Step 3: Cross multiply
    1,218.88x = 1,826.23 × 1,025.13
  4. Step 4: Simplify right side
    1,218.88x = 1,872,123.16
  5. Step 5: Solve for x
    x = 1,872,123.16/1,218.88
  6. Step 6: Final answer
    x = 1,535.94

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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.