Home / 3,048.28-4,200.36-2,340.08

Finding the Fourth Proportional to 3,048.28, 4,200.36 and 2,340.08

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Solution

The fourth proportional to 3,048.28, 4,200.36 and 2,340.08 is: 3,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.28 : 4,200.36 = 2,340.08 : x
  2. Step 2: Convert to fraction form
    3,048.28/4,200.36 = 2,340.08/x
  3. Step 3: Cross multiply
    3,048.28x = 4,200.36 × 2,340.08
  4. Step 4: Simplify right side
    3,048.28x = 9,829,178.43
  5. Step 5: Solve for x
    x = 9,829,178.43/3,048.28
  6. Step 6: Final answer
    x = 3,224.50

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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.