Home / 3,370.67-4,651.70-1,878.74

Finding the Fourth Proportional to 3,370.67, 4,651.70 and 1,878.74

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Solution

The fourth proportional to 3,370.67, 4,651.70 and 1,878.74 is: 2,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.67 : 4,651.70 = 1,878.74 : x
  2. Step 2: Convert to fraction form
    3,370.67/4,651.70 = 1,878.74/x
  3. Step 3: Cross multiply
    3,370.67x = 4,651.70 × 1,878.74
  4. Step 4: Simplify right side
    3,370.67x = 8,739,302.21
  5. Step 5: Solve for x
    x = 8,739,302.21/3,370.67
  6. Step 6: Final answer
    x = 2,592.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.