Home / 1,541.40-2,310.24-673.92

Finding the Fourth Proportional to 1,541.40, 2,310.24 and 673.92

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Solution

The fourth proportional to 1,541.40, 2,310.24 and 673.92 is: 1,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.40 : 2,310.24 = 673.92 : x
  2. Step 2: Convert to fraction form
    1,541.40/2,310.24 = 673.92/x
  3. Step 3: Cross multiply
    1,541.40x = 2,310.24 × 673.92
  4. Step 4: Simplify right side
    1,541.40x = 1,556,916.94
  5. Step 5: Solve for x
    x = 1,556,916.94/1,541.40
  6. Step 6: Final answer
    x = 1,010.07

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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.