Home / 3,056.70-4,215.48-2,585.61

Finding the Fourth Proportional to 3,056.70, 4,215.48 and 2,585.61

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Solution

The fourth proportional to 3,056.70, 4,215.48 and 2,585.61 is: 3,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.70 : 4,215.48 = 2,585.61 : x
  2. Step 2: Convert to fraction form
    3,056.70/4,215.48 = 2,585.61/x
  3. Step 3: Cross multiply
    3,056.70x = 4,215.48 × 2,585.61
  4. Step 4: Simplify right side
    3,056.70x = 10,899,587.24
  5. Step 5: Solve for x
    x = 10,899,587.24/3,056.70
  6. Step 6: Final answer
    x = 3,565.80

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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.