Home / 1,576.46-2,176.38-1,260.68

Finding the Fourth Proportional to 1,576.46, 2,176.38 and 1,260.68

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Solution

The fourth proportional to 1,576.46, 2,176.38 and 1,260.68 is: 1,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.46 : 2,176.38 = 1,260.68 : x
  2. Step 2: Convert to fraction form
    1,576.46/2,176.38 = 1,260.68/x
  3. Step 3: Cross multiply
    1,576.46x = 2,176.38 × 1,260.68
  4. Step 4: Simplify right side
    1,576.46x = 2,743,718.74
  5. Step 5: Solve for x
    x = 2,743,718.74/1,576.46
  6. Step 6: Final answer
    x = 1,740.43

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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.