Home / 3,476.12-5,210.12-1,917.07

Finding the Fourth Proportional to 3,476.12, 5,210.12 and 1,917.07

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Solution

The fourth proportional to 3,476.12, 5,210.12 and 1,917.07 is: 2,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.12 : 5,210.12 = 1,917.07 : x
  2. Step 2: Convert to fraction form
    3,476.12/5,210.12 = 1,917.07/x
  3. Step 3: Cross multiply
    3,476.12x = 5,210.12 × 1,917.07
  4. Step 4: Simplify right side
    3,476.12x = 9,988,156.52
  5. Step 5: Solve for x
    x = 9,988,156.52/3,476.12
  6. Step 6: Final answer
    x = 2,873.37

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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.