Home / 3,535.08-4,878.63-2,043.20

Finding the Fourth Proportional to 3,535.08, 4,878.63 and 2,043.20

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Solution

The fourth proportional to 3,535.08, 4,878.63 and 2,043.20 is: 2,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.08 : 4,878.63 = 2,043.20 : x
  2. Step 2: Convert to fraction form
    3,535.08/4,878.63 = 2,043.20/x
  3. Step 3: Cross multiply
    3,535.08x = 4,878.63 × 2,043.20
  4. Step 4: Simplify right side
    3,535.08x = 9,967,992.42
  5. Step 5: Solve for x
    x = 9,967,992.42/3,535.08
  6. Step 6: Final answer
    x = 2,819.74

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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.