Home / 3,509.28-4,844.88-2,332.80

Finding the Fourth Proportional to 3,509.28, 4,844.88 and 2,332.80

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Solution

The fourth proportional to 3,509.28, 4,844.88 and 2,332.80 is: 3,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.28 : 4,844.88 = 2,332.80 : x
  2. Step 2: Convert to fraction form
    3,509.28/4,844.88 = 2,332.80/x
  3. Step 3: Cross multiply
    3,509.28x = 4,844.88 × 2,332.80
  4. Step 4: Simplify right side
    3,509.28x = 11,302,136.06
  5. Step 5: Solve for x
    x = 11,302,136.06/3,509.28
  6. Step 6: Final answer
    x = 3,220.64

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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.