Home / 3,908.10-5,862.22-1,275.63

Finding the Fourth Proportional to 3,908.10, 5,862.22 and 1,275.63

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Solution

The fourth proportional to 3,908.10, 5,862.22 and 1,275.63 is: 1,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.10 : 5,862.22 = 1,275.63 : x
  2. Step 2: Convert to fraction form
    3,908.10/5,862.22 = 1,275.63/x
  3. Step 3: Cross multiply
    3,908.10x = 5,862.22 × 1,275.63
  4. Step 4: Simplify right side
    3,908.10x = 7,478,017.32
  5. Step 5: Solve for x
    x = 7,478,017.32/3,908.10
  6. Step 6: Final answer
    x = 1,913.47

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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.