Home / 1,363.60-2,045.40-1,035.55

Finding the Fourth Proportional to 1,363.60, 2,045.40 and 1,035.55

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Solution

The fourth proportional to 1,363.60, 2,045.40 and 1,035.55 is: 1,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.60 : 2,045.40 = 1,035.55 : x
  2. Step 2: Convert to fraction form
    1,363.60/2,045.40 = 1,035.55/x
  3. Step 3: Cross multiply
    1,363.60x = 2,045.40 × 1,035.55
  4. Step 4: Simplify right side
    1,363.60x = 2,118,113.97
  5. Step 5: Solve for x
    x = 2,118,113.97/1,363.60
  6. Step 6: Final answer
    x = 1,553.33

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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.