Home / 2,862.02-4,293.42-913.56

Finding the Fourth Proportional to 2,862.02, 4,293.42 and 913.56

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Solution

The fourth proportional to 2,862.02, 4,293.42 and 913.56 is: 1,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.02 : 4,293.42 = 913.56 : x
  2. Step 2: Convert to fraction form
    2,862.02/4,293.42 = 913.56/x
  3. Step 3: Cross multiply
    2,862.02x = 4,293.42 × 913.56
  4. Step 4: Simplify right side
    2,862.02x = 3,922,296.78
  5. Step 5: Solve for x
    x = 3,922,296.78/2,862.02
  6. Step 6: Final answer
    x = 1,370.46

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1.5x scale

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.