Home / 1,265.46-1,888.59-1,232.65

Finding the Fourth Proportional to 1,265.46, 1,888.59 and 1,232.65

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Solution

The fourth proportional to 1,265.46, 1,888.59 and 1,232.65 is: 1,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.46 : 1,888.59 = 1,232.65 : x
  2. Step 2: Convert to fraction form
    1,265.46/1,888.59 = 1,232.65/x
  3. Step 3: Cross multiply
    1,265.46x = 1,888.59 × 1,232.65
  4. Step 4: Simplify right side
    1,265.46x = 2,327,970.46
  5. Step 5: Solve for x
    x = 2,327,970.46/1,265.46
  6. Step 6: Final answer
    x = 1,839.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.