Home / 2,862.36-4,290.24-1,300.02

Finding the Fourth Proportional to 2,862.36, 4,290.24 and 1,300.02

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Solution

The fourth proportional to 2,862.36, 4,290.24 and 1,300.02 is: 1,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.36 : 4,290.24 = 1,300.02 : x
  2. Step 2: Convert to fraction form
    2,862.36/4,290.24 = 1,300.02/x
  3. Step 3: Cross multiply
    2,862.36x = 4,290.24 × 1,300.02
  4. Step 4: Simplify right side
    2,862.36x = 5,577,397.80
  5. Step 5: Solve for x
    x = 5,577,397.80/2,862.36
  6. Step 6: Final answer
    x = 1,948.53

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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.