Home / 3,108.54-4,660.47-1,875.66

Finding the Fourth Proportional to 3,108.54, 4,660.47 and 1,875.66

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Solution

The fourth proportional to 3,108.54, 4,660.47 and 1,875.66 is: 2,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.54 : 4,660.47 = 1,875.66 : x
  2. Step 2: Convert to fraction form
    3,108.54/4,660.47 = 1,875.66/x
  3. Step 3: Cross multiply
    3,108.54x = 4,660.47 × 1,875.66
  4. Step 4: Simplify right side
    3,108.54x = 8,741,457.16
  5. Step 5: Solve for x
    x = 8,741,457.16/3,108.54
  6. Step 6: Final answer
    x = 2,812.08

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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.