Home / 2,862.36-3,949.65-1,667.01

Finding the Fourth Proportional to 2,862.36, 3,949.65 and 1,667.01

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Solution

The fourth proportional to 2,862.36, 3,949.65 and 1,667.01 is: 2,300.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.36 : 3,949.65 = 1,667.01 : x
  2. Step 2: Convert to fraction form
    2,862.36/3,949.65 = 1,667.01/x
  3. Step 3: Cross multiply
    2,862.36x = 3,949.65 × 1,667.01
  4. Step 4: Simplify right side
    2,862.36x = 6,584,106.05
  5. Step 5: Solve for x
    x = 6,584,106.05/2,862.36
  6. Step 6: Final answer
    x = 2,300.24

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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.