Home / 3,416.50-5,125.83-1,878.58

Finding the Fourth Proportional to 3,416.50, 5,125.83 and 1,878.58

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Solution

The fourth proportional to 3,416.50, 5,125.83 and 1,878.58 is: 2,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.50 : 5,125.83 = 1,878.58 : x
  2. Step 2: Convert to fraction form
    3,416.50/5,125.83 = 1,878.58/x
  3. Step 3: Cross multiply
    3,416.50x = 5,125.83 × 1,878.58
  4. Step 4: Simplify right side
    3,416.50x = 9,629,281.72
  5. Step 5: Solve for x
    x = 9,629,281.72/3,416.50
  6. Step 6: Final answer
    x = 2,818.46

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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.