Home / 2,334.90-3,501.31-947.86

Finding the Fourth Proportional to 2,334.90, 3,501.31 and 947.86

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Solution

The fourth proportional to 2,334.90, 3,501.31 and 947.86 is: 1,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.90 : 3,501.31 = 947.86 : x
  2. Step 2: Convert to fraction form
    2,334.90/3,501.31 = 947.86/x
  3. Step 3: Cross multiply
    2,334.90x = 3,501.31 × 947.86
  4. Step 4: Simplify right side
    2,334.90x = 3,318,751.70
  5. Step 5: Solve for x
    x = 3,318,751.70/2,334.90
  6. Step 6: Final answer
    x = 1,421.37

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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.