Home / 3,785.30-5,223.51-2,191.67

Finding the Fourth Proportional to 3,785.30, 5,223.51 and 2,191.67

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Solution

The fourth proportional to 3,785.30, 5,223.51 and 2,191.67 is: 3,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.30 : 5,223.51 = 2,191.67 : x
  2. Step 2: Convert to fraction form
    3,785.30/5,223.51 = 2,191.67/x
  3. Step 3: Cross multiply
    3,785.30x = 5,223.51 × 2,191.67
  4. Step 4: Simplify right side
    3,785.30x = 11,448,210.16
  5. Step 5: Solve for x
    x = 11,448,210.16/3,785.30
  6. Step 6: Final answer
    x = 3,024.39

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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.