Home / 2,878.69-4,316.96-1,708.95

Finding the Fourth Proportional to 2,878.69, 4,316.96 and 1,708.95

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Solution

The fourth proportional to 2,878.69, 4,316.96 and 1,708.95 is: 2,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.69 : 4,316.96 = 1,708.95 : x
  2. Step 2: Convert to fraction form
    2,878.69/4,316.96 = 1,708.95/x
  3. Step 3: Cross multiply
    2,878.69x = 4,316.96 × 1,708.95
  4. Step 4: Simplify right side
    2,878.69x = 7,377,468.79
  5. Step 5: Solve for x
    x = 7,377,468.79/2,878.69
  6. Step 6: Final answer
    x = 2,562.79

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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.