Home / 2,865.36-4,298.68-2,321.04

Finding the Fourth Proportional to 2,865.36, 4,298.68 and 2,321.04

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Solution

The fourth proportional to 2,865.36, 4,298.68 and 2,321.04 is: 3,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.36 : 4,298.68 = 2,321.04 : x
  2. Step 2: Convert to fraction form
    2,865.36/4,298.68 = 2,321.04/x
  3. Step 3: Cross multiply
    2,865.36x = 4,298.68 × 2,321.04
  4. Step 4: Simplify right side
    2,865.36x = 9,977,408.23
  5. Step 5: Solve for x
    x = 9,977,408.23/2,865.36
  6. Step 6: Final answer
    x = 3,482.08

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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.