Home / 1,848.60-2,545.20-1,553.22

Finding the Fourth Proportional to 1,848.60, 2,545.20 and 1,553.22

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Solution

The fourth proportional to 1,848.60, 2,545.20 and 1,553.22 is: 2,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.60 : 2,545.20 = 1,553.22 : x
  2. Step 2: Convert to fraction form
    1,848.60/2,545.20 = 1,553.22/x
  3. Step 3: Cross multiply
    1,848.60x = 2,545.20 × 1,553.22
  4. Step 4: Simplify right side
    1,848.60x = 3,953,255.54
  5. Step 5: Solve for x
    x = 3,953,255.54/1,848.60
  6. Step 6: Final answer
    x = 2,138.51

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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.