Home / 3,488.12-5,232.18-2,190.50

Finding the Fourth Proportional to 3,488.12, 5,232.18 and 2,190.50

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Solution

The fourth proportional to 3,488.12, 5,232.18 and 2,190.50 is: 3,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.12 : 5,232.18 = 2,190.50 : x
  2. Step 2: Convert to fraction form
    3,488.12/5,232.18 = 2,190.50/x
  3. Step 3: Cross multiply
    3,488.12x = 5,232.18 × 2,190.50
  4. Step 4: Simplify right side
    3,488.12x = 11,461,053.18
  5. Step 5: Solve for x
    x = 11,461,053.18/3,488.12
  6. Step 6: Final answer
    x = 3,285.74

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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.