Home / 2,941.30-4,023.02-2,868.40

Finding the Fourth Proportional to 2,941.30, 4,023.02 and 2,868.40

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Solution

The fourth proportional to 2,941.30, 4,023.02 and 2,868.40 is: 3,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.30 : 4,023.02 = 2,868.40 : x
  2. Step 2: Convert to fraction form
    2,941.30/4,023.02 = 2,868.40/x
  3. Step 3: Cross multiply
    2,941.30x = 4,023.02 × 2,868.40
  4. Step 4: Simplify right side
    2,941.30x = 11,539,630.57
  5. Step 5: Solve for x
    x = 11,539,630.57/2,941.30
  6. Step 6: Final answer
    x = 3,923.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.