Home / 3,068.90-4,579.80-2,740.84

Finding the Fourth Proportional to 3,068.90, 4,579.80 and 2,740.84

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Solution

The fourth proportional to 3,068.90, 4,579.80 and 2,740.84 is: 4,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.90 : 4,579.80 = 2,740.84 : x
  2. Step 2: Convert to fraction form
    3,068.90/4,579.80 = 2,740.84/x
  3. Step 3: Cross multiply
    3,068.90x = 4,579.80 × 2,740.84
  4. Step 4: Simplify right side
    3,068.90x = 12,552,499.03
  5. Step 5: Solve for x
    x = 12,552,499.03/3,068.90
  6. Step 6: Final answer
    x = 4,090.23

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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.