Home / 2,106.73-3,159.55-625.60

Finding the Fourth Proportional to 2,106.73, 3,159.55 and 625.60

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Solution

The fourth proportional to 2,106.73, 3,159.55 and 625.60 is: 938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.73 : 3,159.55 = 625.60 : x
  2. Step 2: Convert to fraction form
    2,106.73/3,159.55 = 625.60/x
  3. Step 3: Cross multiply
    2,106.73x = 3,159.55 × 625.60
  4. Step 4: Simplify right side
    2,106.73x = 1,976,614.48
  5. Step 5: Solve for x
    x = 1,976,614.48/2,106.73
  6. Step 6: Final answer
    x = 938.24

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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.