Home / 2,207.28-3,307.69-1,110.14

Finding the Fourth Proportional to 2,207.28, 3,307.69 and 1,110.14

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Solution

The fourth proportional to 2,207.28, 3,307.69 and 1,110.14 is: 1,663.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.28 : 3,307.69 = 1,110.14 : x
  2. Step 2: Convert to fraction form
    2,207.28/3,307.69 = 1,110.14/x
  3. Step 3: Cross multiply
    2,207.28x = 3,307.69 × 1,110.14
  4. Step 4: Simplify right side
    2,207.28x = 3,671,989.99
  5. Step 5: Solve for x
    x = 3,671,989.99/2,207.28
  6. Step 6: Final answer
    x = 1,663.58

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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.