Home / 1,541.10-2,125.80-1,148.52

Finding the Fourth Proportional to 1,541.10, 2,125.80 and 1,148.52

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Solution

The fourth proportional to 1,541.10, 2,125.80 and 1,148.52 is: 1,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.10 : 2,125.80 = 1,148.52 : x
  2. Step 2: Convert to fraction form
    1,541.10/2,125.80 = 1,148.52/x
  3. Step 3: Cross multiply
    1,541.10x = 2,125.80 × 1,148.52
  4. Step 4: Simplify right side
    1,541.10x = 2,441,523.82
  5. Step 5: Solve for x
    x = 2,441,523.82/1,541.10
  6. Step 6: Final answer
    x = 1,584.27

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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.