Home / 3,338.09-4,985.35-2,839.18

Finding the Fourth Proportional to 3,338.09, 4,985.35 and 2,839.18

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Solution

The fourth proportional to 3,338.09, 4,985.35 and 2,839.18 is: 4,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.09 : 4,985.35 = 2,839.18 : x
  2. Step 2: Convert to fraction form
    3,338.09/4,985.35 = 2,839.18/x
  3. Step 3: Cross multiply
    3,338.09x = 4,985.35 × 2,839.18
  4. Step 4: Simplify right side
    3,338.09x = 14,154,291.30
  5. Step 5: Solve for x
    x = 14,154,291.30/3,338.09
  6. Step 6: Final answer
    x = 4,240.24

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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.