Home / 1,395.10-2,092.65-1,030.60

Finding the Fourth Proportional to 1,395.10, 2,092.65 and 1,030.60

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Solution

The fourth proportional to 1,395.10, 2,092.65 and 1,030.60 is: 1,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395.10 : 2,092.65 = 1,030.60 : x
  2. Step 2: Convert to fraction form
    1,395.10/2,092.65 = 1,030.60/x
  3. Step 3: Cross multiply
    1,395.10x = 2,092.65 × 1,030.60
  4. Step 4: Simplify right side
    1,395.10x = 2,156,685.09
  5. Step 5: Solve for x
    x = 2,156,685.09/1,395.10
  6. Step 6: Final answer
    x = 1,545.90

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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.