Home / 2,910.91-4,017.09-1,716.16

Finding the Fourth Proportional to 2,910.91, 4,017.09 and 1,716.16

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Solution

The fourth proportional to 2,910.91, 4,017.09 and 1,716.16 is: 2,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.91 : 4,017.09 = 1,716.16 : x
  2. Step 2: Convert to fraction form
    2,910.91/4,017.09 = 1,716.16/x
  3. Step 3: Cross multiply
    2,910.91x = 4,017.09 × 1,716.16
  4. Step 4: Simplify right side
    2,910.91x = 6,893,969.17
  5. Step 5: Solve for x
    x = 6,893,969.17/2,910.91
  6. Step 6: Final answer
    x = 2,368.32

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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.