Home / 2,252.85-3,107.48-1,356.18

Finding the Fourth Proportional to 2,252.85, 3,107.48 and 1,356.18

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Solution

The fourth proportional to 2,252.85, 3,107.48 and 1,356.18 is: 1,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.85 : 3,107.48 = 1,356.18 : x
  2. Step 2: Convert to fraction form
    2,252.85/3,107.48 = 1,356.18/x
  3. Step 3: Cross multiply
    2,252.85x = 3,107.48 × 1,356.18
  4. Step 4: Simplify right side
    2,252.85x = 4,214,295.45
  5. Step 5: Solve for x
    x = 4,214,295.45/2,252.85
  6. Step 6: Final answer
    x = 1,870.65

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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.