Home / 2,901.36-4,004.72-1,767.44

Finding the Fourth Proportional to 2,901.36, 4,004.72 and 1,767.44

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Solution

The fourth proportional to 2,901.36, 4,004.72 and 1,767.44 is: 2,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.36 : 4,004.72 = 1,767.44 : x
  2. Step 2: Convert to fraction form
    2,901.36/4,004.72 = 1,767.44/x
  3. Step 3: Cross multiply
    2,901.36x = 4,004.72 × 1,767.44
  4. Step 4: Simplify right side
    2,901.36x = 7,078,102.32
  5. Step 5: Solve for x
    x = 7,078,102.32/2,901.36
  6. Step 6: Final answer
    x = 2,439.58

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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.