Home / 3,522.52-5,284.60-1,878.20

Finding the Fourth Proportional to 3,522.52, 5,284.60 and 1,878.20

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Solution

The fourth proportional to 3,522.52, 5,284.60 and 1,878.20 is: 2,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.52 : 5,284.60 = 1,878.20 : x
  2. Step 2: Convert to fraction form
    3,522.52/5,284.60 = 1,878.20/x
  3. Step 3: Cross multiply
    3,522.52x = 5,284.60 × 1,878.20
  4. Step 4: Simplify right side
    3,522.52x = 9,925,535.72
  5. Step 5: Solve for x
    x = 9,925,535.72/3,522.52
  6. Step 6: Final answer
    x = 2,817.74

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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.