Home / 2,187.24-3,281.37-627.26

Finding the Fourth Proportional to 2,187.24, 3,281.37 and 627.26

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Solution

The fourth proportional to 2,187.24, 3,281.37 and 627.26 is: 941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.24 : 3,281.37 = 627.26 : x
  2. Step 2: Convert to fraction form
    2,187.24/3,281.37 = 627.26/x
  3. Step 3: Cross multiply
    2,187.24x = 3,281.37 × 627.26
  4. Step 4: Simplify right side
    2,187.24x = 2,058,255.74
  5. Step 5: Solve for x
    x = 2,058,255.74/2,187.24
  6. Step 6: Final answer
    x = 941.03

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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.