Home / 3,030.78-4,541.31-2,739.18

Finding the Fourth Proportional to 3,030.78, 4,541.31 and 2,739.18

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Solution

The fourth proportional to 3,030.78, 4,541.31 and 2,739.18 is: 4,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.78 : 4,541.31 = 2,739.18 : x
  2. Step 2: Convert to fraction form
    3,030.78/4,541.31 = 2,739.18/x
  3. Step 3: Cross multiply
    3,030.78x = 4,541.31 × 2,739.18
  4. Step 4: Simplify right side
    3,030.78x = 12,439,465.53
  5. Step 5: Solve for x
    x = 12,439,465.53/3,030.78
  6. Step 6: Final answer
    x = 4,104.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.