Home / 3,370.84-4,651.60-1,878.89

Finding the Fourth Proportional to 3,370.84, 4,651.60 and 1,878.89

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Solution

The fourth proportional to 3,370.84, 4,651.60 and 1,878.89 is: 2,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.84 : 4,651.60 = 1,878.89 : x
  2. Step 2: Convert to fraction form
    3,370.84/4,651.60 = 1,878.89/x
  3. Step 3: Cross multiply
    3,370.84x = 4,651.60 × 1,878.89
  4. Step 4: Simplify right side
    3,370.84x = 8,739,816.77
  5. Step 5: Solve for x
    x = 8,739,816.77/3,370.84
  6. Step 6: Final answer
    x = 2,592.77

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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.