Home / 2,908.07-4,012.88-1,712.87

Finding the Fourth Proportional to 2,908.07, 4,012.88 and 1,712.87

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Solution

The fourth proportional to 2,908.07, 4,012.88 and 1,712.87 is: 2,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.07 : 4,012.88 = 1,712.87 : x
  2. Step 2: Convert to fraction form
    2,908.07/4,012.88 = 1,712.87/x
  3. Step 3: Cross multiply
    2,908.07x = 4,012.88 × 1,712.87
  4. Step 4: Simplify right side
    2,908.07x = 6,873,513.14
  5. Step 5: Solve for x
    x = 6,873,513.14/2,908.07
  6. Step 6: Final answer
    x = 2,363.60

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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.