Home / 1,548.18-2,137.23-1,044.15

Finding the Fourth Proportional to 1,548.18, 2,137.23 and 1,044.15

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Solution

The fourth proportional to 1,548.18, 2,137.23 and 1,044.15 is: 1,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.18 : 2,137.23 = 1,044.15 : x
  2. Step 2: Convert to fraction form
    1,548.18/2,137.23 = 1,044.15/x
  3. Step 3: Cross multiply
    1,548.18x = 2,137.23 × 1,044.15
  4. Step 4: Simplify right side
    1,548.18x = 2,231,588.70
  5. Step 5: Solve for x
    x = 2,231,588.70/1,548.18
  6. Step 6: Final answer
    x = 1,441.43

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1.5x scale

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.