Home / 3,457.66-5,188.32-2,073.78

Finding the Fourth Proportional to 3,457.66, 5,188.32 and 2,073.78

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Solution

The fourth proportional to 3,457.66, 5,188.32 and 2,073.78 is: 3,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.66 : 5,188.32 = 2,073.78 : x
  2. Step 2: Convert to fraction form
    3,457.66/5,188.32 = 2,073.78/x
  3. Step 3: Cross multiply
    3,457.66x = 5,188.32 × 2,073.78
  4. Step 4: Simplify right side
    3,457.66x = 10,759,434.25
  5. Step 5: Solve for x
    x = 10,759,434.25/3,457.66
  6. Step 6: Final answer
    x = 3,111.77

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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.