Home / 1,540.18-2,310.27-1,328.77

Finding the Fourth Proportional to 1,540.18, 2,310.27 and 1,328.77

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Solution

The fourth proportional to 1,540.18, 2,310.27 and 1,328.77 is: 1,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.18 : 2,310.27 = 1,328.77 : x
  2. Step 2: Convert to fraction form
    1,540.18/2,310.27 = 1,328.77/x
  3. Step 3: Cross multiply
    1,540.18x = 2,310.27 × 1,328.77
  4. Step 4: Simplify right side
    1,540.18x = 3,069,817.47
  5. Step 5: Solve for x
    x = 3,069,817.47/1,540.18
  6. Step 6: Final answer
    x = 1,993.16

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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.