Home / 4,039.40-5,574.35-2,246.90

Finding the Fourth Proportional to 4,039.40, 5,574.35 and 2,246.90

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Solution

The fourth proportional to 4,039.40, 5,574.35 and 2,246.90 is: 3,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.40 : 5,574.35 = 2,246.90 : x
  2. Step 2: Convert to fraction form
    4,039.40/5,574.35 = 2,246.90/x
  3. Step 3: Cross multiply
    4,039.40x = 5,574.35 × 2,246.90
  4. Step 4: Simplify right side
    4,039.40x = 12,525,009.72
  5. Step 5: Solve for x
    x = 12,525,009.72/4,039.40
  6. Step 6: Final answer
    x = 3,100.71

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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.