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Finding the Fourth Proportional to 1,295.06, 1,943.40 and 1,249.70

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Solution

The fourth proportional to 1,295.06, 1,943.40 and 1,249.70 is: 1,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.06 : 1,943.40 = 1,249.70 : x
  2. Step 2: Convert to fraction form
    1,295.06/1,943.40 = 1,249.70/x
  3. Step 3: Cross multiply
    1,295.06x = 1,943.40 × 1,249.70
  4. Step 4: Simplify right side
    1,295.06x = 2,428,666.98
  5. Step 5: Solve for x
    x = 2,428,666.98/1,295.06
  6. Step 6: Final answer
    x = 1,875.33

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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.