Home / 3,946.74-5,445.90-2,352.90

Finding the Fourth Proportional to 3,946.74, 5,445.90 and 2,352.90

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Solution

The fourth proportional to 3,946.74, 5,445.90 and 2,352.90 is: 3,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.74 : 5,445.90 = 2,352.90 : x
  2. Step 2: Convert to fraction form
    3,946.74/5,445.90 = 2,352.90/x
  3. Step 3: Cross multiply
    3,946.74x = 5,445.90 × 2,352.90
  4. Step 4: Simplify right side
    3,946.74x = 12,813,658.11
  5. Step 5: Solve for x
    x = 12,813,658.11/3,946.74
  6. Step 6: Final answer
    x = 3,246.64

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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.