Home / 3,785.55-5,681.70-2,223.60

Finding the Fourth Proportional to 3,785.55, 5,681.70 and 2,223.60

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Solution

The fourth proportional to 3,785.55, 5,681.70 and 2,223.60 is: 3,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.55 : 5,681.70 = 2,223.60 : x
  2. Step 2: Convert to fraction form
    3,785.55/5,681.70 = 2,223.60/x
  3. Step 3: Cross multiply
    3,785.55x = 5,681.70 × 2,223.60
  4. Step 4: Simplify right side
    3,785.55x = 12,633,828.12
  5. Step 5: Solve for x
    x = 12,633,828.12/3,785.55
  6. Step 6: Final answer
    x = 3,337.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.