Home / 3,123.85-4,684.92-1,541.81

Finding the Fourth Proportional to 3,123.85, 4,684.92 and 1,541.81

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Solution

The fourth proportional to 3,123.85, 4,684.92 and 1,541.81 is: 2,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.85 : 4,684.92 = 1,541.81 : x
  2. Step 2: Convert to fraction form
    3,123.85/4,684.92 = 1,541.81/x
  3. Step 3: Cross multiply
    3,123.85x = 4,684.92 × 1,541.81
  4. Step 4: Simplify right side
    3,123.85x = 7,223,233.08
  5. Step 5: Solve for x
    x = 7,223,233.08/3,123.85
  6. Step 6: Final answer
    x = 2,312.29

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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.