Home / 2,341.60-3,224.87-1,945.00

Finding the Fourth Proportional to 2,341.60, 3,224.87 and 1,945.00

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Solution

The fourth proportional to 2,341.60, 3,224.87 and 1,945.00 is: 2,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.60 : 3,224.87 = 1,945.00 : x
  2. Step 2: Convert to fraction form
    2,341.60/3,224.87 = 1,945.00/x
  3. Step 3: Cross multiply
    2,341.60x = 3,224.87 × 1,945.00
  4. Step 4: Simplify right side
    2,341.60x = 6,272,372.92
  5. Step 5: Solve for x
    x = 6,272,372.92/2,341.60
  6. Step 6: Final answer
    x = 2,678.67

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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.