Home / 3,575.30-5,362.95-2,116.10

Finding the Fourth Proportional to 3,575.30, 5,362.95 and 2,116.10

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Solution

The fourth proportional to 3,575.30, 5,362.95 and 2,116.10 is: 3,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.30 : 5,362.95 = 2,116.10 : x
  2. Step 2: Convert to fraction form
    3,575.30/5,362.95 = 2,116.10/x
  3. Step 3: Cross multiply
    3,575.30x = 5,362.95 × 2,116.10
  4. Step 4: Simplify right side
    3,575.30x = 11,348,538.50
  5. Step 5: Solve for x
    x = 11,348,538.50/3,575.30
  6. Step 6: Final answer
    x = 3,174.15

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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.