Home / 2,554.28-3,525.60-2,399.40

Finding the Fourth Proportional to 2,554.28, 3,525.60 and 2,399.40

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Solution

The fourth proportional to 2,554.28, 3,525.60 and 2,399.40 is: 3,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.28 : 3,525.60 = 2,399.40 : x
  2. Step 2: Convert to fraction form
    2,554.28/3,525.60 = 2,399.40/x
  3. Step 3: Cross multiply
    2,554.28x = 3,525.60 × 2,399.40
  4. Step 4: Simplify right side
    2,554.28x = 8,459,324.64
  5. Step 5: Solve for x
    x = 8,459,324.64/2,554.28
  6. Step 6: Final answer
    x = 3,311.82

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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.