Home / 4,122.59-5,689.32-2,946.47

Finding the Fourth Proportional to 4,122.59, 5,689.32 and 2,946.47

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Solution

The fourth proportional to 4,122.59, 5,689.32 and 2,946.47 is: 4,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.59 : 5,689.32 = 2,946.47 : x
  2. Step 2: Convert to fraction form
    4,122.59/5,689.32 = 2,946.47/x
  3. Step 3: Cross multiply
    4,122.59x = 5,689.32 × 2,946.47
  4. Step 4: Simplify right side
    4,122.59x = 16,763,410.70
  5. Step 5: Solve for x
    x = 16,763,410.70/4,122.59
  6. Step 6: Final answer
    x = 4,066.23

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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.