Home / 3,113.54-4,296.52-1,787.12

Finding the Fourth Proportional to 3,113.54, 4,296.52 and 1,787.12

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Solution

The fourth proportional to 3,113.54, 4,296.52 and 1,787.12 is: 2,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.54 : 4,296.52 = 1,787.12 : x
  2. Step 2: Convert to fraction form
    3,113.54/4,296.52 = 1,787.12/x
  3. Step 3: Cross multiply
    3,113.54x = 4,296.52 × 1,787.12
  4. Step 4: Simplify right side
    3,113.54x = 7,678,396.82
  5. Step 5: Solve for x
    x = 7,678,396.82/3,113.54
  6. Step 6: Final answer
    x = 2,466.13

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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.