Home / 1,541.44-2,312.48-1,180.80

Finding the Fourth Proportional to 1,541.44, 2,312.48 and 1,180.80

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Solution

The fourth proportional to 1,541.44, 2,312.48 and 1,180.80 is: 1,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.44 : 2,312.48 = 1,180.80 : x
  2. Step 2: Convert to fraction form
    1,541.44/2,312.48 = 1,180.80/x
  3. Step 3: Cross multiply
    1,541.44x = 2,312.48 × 1,180.80
  4. Step 4: Simplify right side
    1,541.44x = 2,730,576.38
  5. Step 5: Solve for x
    x = 2,730,576.38/1,541.44
  6. Step 6: Final answer
    x = 1,771.45

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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.