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Finding the Fourth Proportional to 1,908.34, 2,627.16 and 1,711.51

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Solution

The fourth proportional to 1,908.34, 2,627.16 and 1,711.51 is: 2,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.34 : 2,627.16 = 1,711.51 : x
  2. Step 2: Convert to fraction form
    1,908.34/2,627.16 = 1,711.51/x
  3. Step 3: Cross multiply
    1,908.34x = 2,627.16 × 1,711.51
  4. Step 4: Simplify right side
    1,908.34x = 4,496,410.61
  5. Step 5: Solve for x
    x = 4,496,410.61/1,908.34
  6. Step 6: Final answer
    x = 2,356.19

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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.