Home / 3,030.22-4,545.59-838.94

Finding the Fourth Proportional to 3,030.22, 4,545.59 and 838.94

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Solution

The fourth proportional to 3,030.22, 4,545.59 and 838.94 is: 1,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.22 : 4,545.59 = 838.94 : x
  2. Step 2: Convert to fraction form
    3,030.22/4,545.59 = 838.94/x
  3. Step 3: Cross multiply
    3,030.22x = 4,545.59 × 838.94
  4. Step 4: Simplify right side
    3,030.22x = 3,813,477.27
  5. Step 5: Solve for x
    x = 3,813,477.27/3,030.22
  6. Step 6: Final answer
    x = 1,258.48

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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.