Home / 1,901.16-2,851.71-584.91

Finding the Fourth Proportional to 1,901.16, 2,851.71 and 584.91

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Solution

The fourth proportional to 1,901.16, 2,851.71 and 584.91 is: 877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.16 : 2,851.71 = 584.91 : x
  2. Step 2: Convert to fraction form
    1,901.16/2,851.71 = 584.91/x
  3. Step 3: Cross multiply
    1,901.16x = 2,851.71 × 584.91
  4. Step 4: Simplify right side
    1,901.16x = 1,667,993.70
  5. Step 5: Solve for x
    x = 1,667,993.70/1,901.16
  6. Step 6: Final answer
    x = 877.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.