Home / 2,235.87-3,373.91-2,158.65

Finding the Fourth Proportional to 2,235.87, 3,373.91 and 2,158.65

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Solution

The fourth proportional to 2,235.87, 3,373.91 and 2,158.65 is: 3,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.87 : 3,373.91 = 2,158.65 : x
  2. Step 2: Convert to fraction form
    2,235.87/3,373.91 = 2,158.65/x
  3. Step 3: Cross multiply
    2,235.87x = 3,373.91 × 2,158.65
  4. Step 4: Simplify right side
    2,235.87x = 7,283,090.82
  5. Step 5: Solve for x
    x = 7,283,090.82/2,235.87
  6. Step 6: Final answer
    x = 3,257.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.