Home / 2,267.22-3,129.93-1,939.17

Finding the Fourth Proportional to 2,267.22, 3,129.93 and 1,939.17

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Solution

The fourth proportional to 2,267.22, 3,129.93 and 1,939.17 is: 2,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.22 : 3,129.93 = 1,939.17 : x
  2. Step 2: Convert to fraction form
    2,267.22/3,129.93 = 1,939.17/x
  3. Step 3: Cross multiply
    2,267.22x = 3,129.93 × 1,939.17
  4. Step 4: Simplify right side
    2,267.22x = 6,069,466.36
  5. Step 5: Solve for x
    x = 6,069,466.36/2,267.22
  6. Step 6: Final answer
    x = 2,677.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.