Home / 3,030.07-4,545.18-838.87

Finding the Fourth Proportional to 3,030.07, 4,545.18 and 838.87

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Solution

The fourth proportional to 3,030.07, 4,545.18 and 838.87 is: 1,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.07 : 4,545.18 = 838.87 : x
  2. Step 2: Convert to fraction form
    3,030.07/4,545.18 = 838.87/x
  3. Step 3: Cross multiply
    3,030.07x = 4,545.18 × 838.87
  4. Step 4: Simplify right side
    3,030.07x = 3,812,815.15
  5. Step 5: Solve for x
    x = 3,812,815.15/3,030.07
  6. Step 6: Final answer
    x = 1,258.33

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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.