Home / 2,073.17-3,109.77-887.05

Finding the Fourth Proportional to 2,073.17, 3,109.77 and 887.05

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Solution

The fourth proportional to 2,073.17, 3,109.77 and 887.05 is: 1,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.17 : 3,109.77 = 887.05 : x
  2. Step 2: Convert to fraction form
    2,073.17/3,109.77 = 887.05/x
  3. Step 3: Cross multiply
    2,073.17x = 3,109.77 × 887.05
  4. Step 4: Simplify right side
    2,073.17x = 2,758,511.20
  5. Step 5: Solve for x
    x = 2,758,511.20/2,073.17
  6. Step 6: Final answer
    x = 1,330.58

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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.