Home / 2,340.99-3,230.50-1,293.03

Finding the Fourth Proportional to 2,340.99, 3,230.50 and 1,293.03

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Solution

The fourth proportional to 2,340.99, 3,230.50 and 1,293.03 is: 1,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.99 : 3,230.50 = 1,293.03 : x
  2. Step 2: Convert to fraction form
    2,340.99/3,230.50 = 1,293.03/x
  3. Step 3: Cross multiply
    2,340.99x = 3,230.50 × 1,293.03
  4. Step 4: Simplify right side
    2,340.99x = 4,177,114.03
  5. Step 5: Solve for x
    x = 4,177,114.03/2,340.99
  6. Step 6: Final answer
    x = 1,784.34

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Double scale
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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.