Home / 1,365.88-2,050.45-1,310.18

Finding the Fourth Proportional to 1,365.88, 2,050.45 and 1,310.18

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Solution

The fourth proportional to 1,365.88, 2,050.45 and 1,310.18 is: 1,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.88 : 2,050.45 = 1,310.18 : x
  2. Step 2: Convert to fraction form
    1,365.88/2,050.45 = 1,310.18/x
  3. Step 3: Cross multiply
    1,365.88x = 2,050.45 × 1,310.18
  4. Step 4: Simplify right side
    1,365.88x = 2,686,453.70
  5. Step 5: Solve for x
    x = 2,686,453.70/1,365.88
  6. Step 6: Final answer
    x = 1,966.83

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1.5x scale

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.