Home / 2,878.02-4,316.40-1,834.74

Finding the Fourth Proportional to 2,878.02, 4,316.40 and 1,834.74

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Solution

The fourth proportional to 2,878.02, 4,316.40 and 1,834.74 is: 2,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.02 : 4,316.40 = 1,834.74 : x
  2. Step 2: Convert to fraction form
    2,878.02/4,316.40 = 1,834.74/x
  3. Step 3: Cross multiply
    2,878.02x = 4,316.40 × 1,834.74
  4. Step 4: Simplify right side
    2,878.02x = 7,919,471.74
  5. Step 5: Solve for x
    x = 7,919,471.74/2,878.02
  6. Step 6: Final answer
    x = 2,751.71

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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.