Home / 1,769.73-2,440.98-1,265.10

Finding the Fourth Proportional to 1,769.73, 2,440.98 and 1,265.10

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Solution

The fourth proportional to 1,769.73, 2,440.98 and 1,265.10 is: 1,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.73 : 2,440.98 = 1,265.10 : x
  2. Step 2: Convert to fraction form
    1,769.73/2,440.98 = 1,265.10/x
  3. Step 3: Cross multiply
    1,769.73x = 2,440.98 × 1,265.10
  4. Step 4: Simplify right side
    1,769.73x = 3,088,083.80
  5. Step 5: Solve for x
    x = 3,088,083.80/1,769.73
  6. Step 6: Final answer
    x = 1,744.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.