Home / 1,576.04-2,174.44-912.66

Finding the Fourth Proportional to 1,576.04, 2,174.44 and 912.66

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Solution

The fourth proportional to 1,576.04, 2,174.44 and 912.66 is: 1,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.04 : 2,174.44 = 912.66 : x
  2. Step 2: Convert to fraction form
    1,576.04/2,174.44 = 912.66/x
  3. Step 3: Cross multiply
    1,576.04x = 2,174.44 × 912.66
  4. Step 4: Simplify right side
    1,576.04x = 1,984,524.41
  5. Step 5: Solve for x
    x = 1,984,524.41/1,576.04
  6. Step 6: Final answer
    x = 1,259.18

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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.