Home / 3,215.46-4,820.76-2,565.84

Finding the Fourth Proportional to 3,215.46, 4,820.76 and 2,565.84

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Solution

The fourth proportional to 3,215.46, 4,820.76 and 2,565.84 is: 3,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.46 : 4,820.76 = 2,565.84 : x
  2. Step 2: Convert to fraction form
    3,215.46/4,820.76 = 2,565.84/x
  3. Step 3: Cross multiply
    3,215.46x = 4,820.76 × 2,565.84
  4. Step 4: Simplify right side
    3,215.46x = 12,369,298.84
  5. Step 5: Solve for x
    x = 12,369,298.84/3,215.46
  6. Step 6: Final answer
    x = 3,846.82

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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.