Home / 2,565.05-3,554.63-2,515.83

Finding the Fourth Proportional to 2,565.05, 3,554.63 and 2,515.83

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Solution

The fourth proportional to 2,565.05, 3,554.63 and 2,515.83 is: 3,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.05 : 3,554.63 = 2,515.83 : x
  2. Step 2: Convert to fraction form
    2,565.05/3,554.63 = 2,515.83/x
  3. Step 3: Cross multiply
    2,565.05x = 3,554.63 × 2,515.83
  4. Step 4: Simplify right side
    2,565.05x = 8,942,851.08
  5. Step 5: Solve for x
    x = 8,942,851.08/2,565.05
  6. Step 6: Final answer
    x = 3,486.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.