Home / 3,113.44-4,674.71-1,948.39

Finding the Fourth Proportional to 3,113.44, 4,674.71 and 1,948.39

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Solution

The fourth proportional to 3,113.44, 4,674.71 and 1,948.39 is: 2,925.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.44 : 4,674.71 = 1,948.39 : x
  2. Step 2: Convert to fraction form
    3,113.44/4,674.71 = 1,948.39/x
  3. Step 3: Cross multiply
    3,113.44x = 4,674.71 × 1,948.39
  4. Step 4: Simplify right side
    3,113.44x = 9,108,158.22
  5. Step 5: Solve for x
    x = 9,108,158.22/3,113.44
  6. Step 6: Final answer
    x = 2,925.43

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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.