Home / 3,040.72-4,195.40-1,798.16

Finding the Fourth Proportional to 3,040.72, 4,195.40 and 1,798.16

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Solution

The fourth proportional to 3,040.72, 4,195.40 and 1,798.16 is: 2,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.72 : 4,195.40 = 1,798.16 : x
  2. Step 2: Convert to fraction form
    3,040.72/4,195.40 = 1,798.16/x
  3. Step 3: Cross multiply
    3,040.72x = 4,195.40 × 1,798.16
  4. Step 4: Simplify right side
    3,040.72x = 7,544,000.46
  5. Step 5: Solve for x
    x = 7,544,000.46/3,040.72
  6. Step 6: Final answer
    x = 2,480.99

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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.