Home / 2,337.36-3,224.88-1,392.68

Finding the Fourth Proportional to 2,337.36, 3,224.88 and 1,392.68

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Solution

The fourth proportional to 2,337.36, 3,224.88 and 1,392.68 is: 1,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,337.36 : 3,224.88 = 1,392.68 : x
  2. Step 2: Convert to fraction form
    2,337.36/3,224.88 = 1,392.68/x
  3. Step 3: Cross multiply
    2,337.36x = 3,224.88 × 1,392.68
  4. Step 4: Simplify right side
    2,337.36x = 4,491,225.88
  5. Step 5: Solve for x
    x = 4,491,225.88/2,337.36
  6. Step 6: Final answer
    x = 1,921.50

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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.