Home / 3,023.79-4,513.58-2,801.20

Finding the Fourth Proportional to 3,023.79, 4,513.58 and 2,801.20

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Solution

The fourth proportional to 3,023.79, 4,513.58 and 2,801.20 is: 4,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.79 : 4,513.58 = 2,801.20 : x
  2. Step 2: Convert to fraction form
    3,023.79/4,513.58 = 2,801.20/x
  3. Step 3: Cross multiply
    3,023.79x = 4,513.58 × 2,801.20
  4. Step 4: Simplify right side
    3,023.79x = 12,643,440.30
  5. Step 5: Solve for x
    x = 12,643,440.30/3,023.79
  6. Step 6: Final answer
    x = 4,181.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.