Home / 1,611.92-2,225.14-1,088.66

Finding the Fourth Proportional to 1,611.92, 2,225.14 and 1,088.66

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Solution

The fourth proportional to 1,611.92, 2,225.14 and 1,088.66 is: 1,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.92 : 2,225.14 = 1,088.66 : x
  2. Step 2: Convert to fraction form
    1,611.92/2,225.14 = 1,088.66/x
  3. Step 3: Cross multiply
    1,611.92x = 2,225.14 × 1,088.66
  4. Step 4: Simplify right side
    1,611.92x = 2,422,420.91
  5. Step 5: Solve for x
    x = 2,422,420.91/1,611.92
  6. Step 6: Final answer
    x = 1,502.82

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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.