Home / 2,901.38-4,004.30-1,782.41

Finding the Fourth Proportional to 2,901.38, 4,004.30 and 1,782.41

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Solution

The fourth proportional to 2,901.38, 4,004.30 and 1,782.41 is: 2,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.38 : 4,004.30 = 1,782.41 : x
  2. Step 2: Convert to fraction form
    2,901.38/4,004.30 = 1,782.41/x
  3. Step 3: Cross multiply
    2,901.38x = 4,004.30 × 1,782.41
  4. Step 4: Simplify right side
    2,901.38x = 7,137,288.80
  5. Step 5: Solve for x
    x = 7,137,288.80/2,901.38
  6. Step 6: Final answer
    x = 2,459.97

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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.