Home / 3,106.17-4,657.61-914.58

Finding the Fourth Proportional to 3,106.17, 4,657.61 and 914.58

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Solution

The fourth proportional to 3,106.17, 4,657.61 and 914.58 is: 1,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.17 : 4,657.61 = 914.58 : x
  2. Step 2: Convert to fraction form
    3,106.17/4,657.61 = 914.58/x
  3. Step 3: Cross multiply
    3,106.17x = 4,657.61 × 914.58
  4. Step 4: Simplify right side
    3,106.17x = 4,259,759.24
  5. Step 5: Solve for x
    x = 4,259,759.24/3,106.17
  6. Step 6: Final answer
    x = 1,371.39

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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.