Home / 2,660.91-3,671.04-1,716.45

Finding the Fourth Proportional to 2,660.91, 3,671.04 and 1,716.45

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Solution

The fourth proportional to 2,660.91, 3,671.04 and 1,716.45 is: 2,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.91 : 3,671.04 = 1,716.45 : x
  2. Step 2: Convert to fraction form
    2,660.91/3,671.04 = 1,716.45/x
  3. Step 3: Cross multiply
    2,660.91x = 3,671.04 × 1,716.45
  4. Step 4: Simplify right side
    2,660.91x = 6,301,156.61
  5. Step 5: Solve for x
    x = 6,301,156.61/2,660.91
  6. Step 6: Final answer
    x = 2,368.05

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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.