Home / 1,535.14-2,115.48-1,461.43

Finding the Fourth Proportional to 1,535.14, 2,115.48 and 1,461.43

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Solution

The fourth proportional to 1,535.14, 2,115.48 and 1,461.43 is: 2,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.14 : 2,115.48 = 1,461.43 : x
  2. Step 2: Convert to fraction form
    1,535.14/2,115.48 = 1,461.43/x
  3. Step 3: Cross multiply
    1,535.14x = 2,115.48 × 1,461.43
  4. Step 4: Simplify right side
    1,535.14x = 3,091,625.94
  5. Step 5: Solve for x
    x = 3,091,625.94/1,535.14
  6. Step 6: Final answer
    x = 2,013.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.