Home / 3,394.02-4,677.41-2,646.80

Finding the Fourth Proportional to 3,394.02, 4,677.41 and 2,646.80

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Solution

The fourth proportional to 3,394.02, 4,677.41 and 2,646.80 is: 3,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.02 : 4,677.41 = 2,646.80 : x
  2. Step 2: Convert to fraction form
    3,394.02/4,677.41 = 2,646.80/x
  3. Step 3: Cross multiply
    3,394.02x = 4,677.41 × 2,646.80
  4. Step 4: Simplify right side
    3,394.02x = 12,380,168.79
  5. Step 5: Solve for x
    x = 12,380,168.79/3,394.02
  6. Step 6: Final answer
    x = 3,647.64

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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.