Home / 1,887.03-2,622.17-1,866.78

Finding the Fourth Proportional to 1,887.03, 2,622.17 and 1,866.78

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Solution

The fourth proportional to 1,887.03, 2,622.17 and 1,866.78 is: 2,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.03 : 2,622.17 = 1,866.78 : x
  2. Step 2: Convert to fraction form
    1,887.03/2,622.17 = 1,866.78/x
  3. Step 3: Cross multiply
    1,887.03x = 2,622.17 × 1,866.78
  4. Step 4: Simplify right side
    1,887.03x = 4,895,019.18
  5. Step 5: Solve for x
    x = 4,895,019.18/1,887.03
  6. Step 6: Final answer
    x = 2,594.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.