Home / 3,113.15-4,296.11-1,787.14

Finding the Fourth Proportional to 3,113.15, 4,296.11 and 1,787.14

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Solution

The fourth proportional to 3,113.15, 4,296.11 and 1,787.14 is: 2,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.15 : 4,296.11 = 1,787.14 : x
  2. Step 2: Convert to fraction form
    3,113.15/4,296.11 = 1,787.14/x
  3. Step 3: Cross multiply
    3,113.15x = 4,296.11 × 1,787.14
  4. Step 4: Simplify right side
    3,113.15x = 7,677,730.35
  5. Step 5: Solve for x
    x = 7,677,730.35/3,113.15
  6. Step 6: Final answer
    x = 2,466.22

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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.