Home / 2,901.91-4,004.71-1,642.97

Finding the Fourth Proportional to 2,901.91, 4,004.71 and 1,642.97

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Solution

The fourth proportional to 2,901.91, 4,004.71 and 1,642.97 is: 2,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.91 : 4,004.71 = 1,642.97 : x
  2. Step 2: Convert to fraction form
    2,901.91/4,004.71 = 1,642.97/x
  3. Step 3: Cross multiply
    2,901.91x = 4,004.71 × 1,642.97
  4. Step 4: Simplify right side
    2,901.91x = 6,579,601.77
  5. Step 5: Solve for x
    x = 6,579,601.77/2,901.91
  6. Step 6: Final answer
    x = 2,267.34

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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.