Home / 2,948.22-4,420.08-1,389.24

Finding the Fourth Proportional to 2,948.22, 4,420.08 and 1,389.24

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Solution

The fourth proportional to 2,948.22, 4,420.08 and 1,389.24 is: 2,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.22 : 4,420.08 = 1,389.24 : x
  2. Step 2: Convert to fraction form
    2,948.22/4,420.08 = 1,389.24/x
  3. Step 3: Cross multiply
    2,948.22x = 4,420.08 × 1,389.24
  4. Step 4: Simplify right side
    2,948.22x = 6,140,551.94
  5. Step 5: Solve for x
    x = 6,140,551.94/2,948.22
  6. Step 6: Final answer
    x = 2,082.80

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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.