Home / 2,938.15-4,407.96-1,356.11

Finding the Fourth Proportional to 2,938.15, 4,407.96 and 1,356.11

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Solution

The fourth proportional to 2,938.15, 4,407.96 and 1,356.11 is: 2,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.15 : 4,407.96 = 1,356.11 : x
  2. Step 2: Convert to fraction form
    2,938.15/4,407.96 = 1,356.11/x
  3. Step 3: Cross multiply
    2,938.15x = 4,407.96 × 1,356.11
  4. Step 4: Simplify right side
    2,938.15x = 5,977,656.60
  5. Step 5: Solve for x
    x = 5,977,656.60/2,938.15
  6. Step 6: Final answer
    x = 2,034.50

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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.