Home / 3,340.35-4,985.85-2,946.38

Finding the Fourth Proportional to 3,340.35, 4,985.85 and 2,946.38

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Solution

The fourth proportional to 3,340.35, 4,985.85 and 2,946.38 is: 4,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.35 : 4,985.85 = 2,946.38 : x
  2. Step 2: Convert to fraction form
    3,340.35/4,985.85 = 2,946.38/x
  3. Step 3: Cross multiply
    3,340.35x = 4,985.85 × 2,946.38
  4. Step 4: Simplify right side
    3,340.35x = 14,690,169.06
  5. Step 5: Solve for x
    x = 14,690,169.06/3,340.35
  6. Step 6: Final answer
    x = 4,397.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.