Home / 3,038.04-4,190.40-2,331.72

Finding the Fourth Proportional to 3,038.04, 4,190.40 and 2,331.72

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Solution

The fourth proportional to 3,038.04, 4,190.40 and 2,331.72 is: 3,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.04 : 4,190.40 = 2,331.72 : x
  2. Step 2: Convert to fraction form
    3,038.04/4,190.40 = 2,331.72/x
  3. Step 3: Cross multiply
    3,038.04x = 4,190.40 × 2,331.72
  4. Step 4: Simplify right side
    3,038.04x = 9,770,839.49
  5. Step 5: Solve for x
    x = 9,770,839.49/3,038.04
  6. Step 6: Final answer
    x = 3,216.17

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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.