Home / 4,312.18-5,948.44-2,821.57

Finding the Fourth Proportional to 4,312.18, 5,948.44 and 2,821.57

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Solution

The fourth proportional to 4,312.18, 5,948.44 and 2,821.57 is: 3,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.18 : 5,948.44 = 2,821.57 : x
  2. Step 2: Convert to fraction form
    4,312.18/5,948.44 = 2,821.57/x
  3. Step 3: Cross multiply
    4,312.18x = 5,948.44 × 2,821.57
  4. Step 4: Simplify right side
    4,312.18x = 16,783,939.85
  5. Step 5: Solve for x
    x = 16,783,939.85/4,312.18
  6. Step 6: Final answer
    x = 3,892.22

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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.