Home / 3,114.26-4,296.29-1,787.70

Finding the Fourth Proportional to 3,114.26, 4,296.29 and 1,787.70

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Solution

The fourth proportional to 3,114.26, 4,296.29 and 1,787.70 is: 2,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.26 : 4,296.29 = 1,787.70 : x
  2. Step 2: Convert to fraction form
    3,114.26/4,296.29 = 1,787.70/x
  3. Step 3: Cross multiply
    3,114.26x = 4,296.29 × 1,787.70
  4. Step 4: Simplify right side
    3,114.26x = 7,680,477.63
  5. Step 5: Solve for x
    x = 7,680,477.63/3,114.26
  6. Step 6: Final answer
    x = 2,466.23

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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.