Home / 3,685.54-5,528.91-1,088.74

Finding the Fourth Proportional to 3,685.54, 5,528.91 and 1,088.74

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Solution

The fourth proportional to 3,685.54, 5,528.91 and 1,088.74 is: 1,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.54 : 5,528.91 = 1,088.74 : x
  2. Step 2: Convert to fraction form
    3,685.54/5,528.91 = 1,088.74/x
  3. Step 3: Cross multiply
    3,685.54x = 5,528.91 × 1,088.74
  4. Step 4: Simplify right side
    3,685.54x = 6,019,545.47
  5. Step 5: Solve for x
    x = 6,019,545.47/3,685.54
  6. Step 6: Final answer
    x = 1,633.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.