Home / 3,030.84-4,545.51-2,150.78

Finding the Fourth Proportional to 3,030.84, 4,545.51 and 2,150.78

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Solution

The fourth proportional to 3,030.84, 4,545.51 and 2,150.78 is: 3,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.84 : 4,545.51 = 2,150.78 : x
  2. Step 2: Convert to fraction form
    3,030.84/4,545.51 = 2,150.78/x
  3. Step 3: Cross multiply
    3,030.84x = 4,545.51 × 2,150.78
  4. Step 4: Simplify right side
    3,030.84x = 9,776,392.00
  5. Step 5: Solve for x
    x = 9,776,392.00/3,030.84
  6. Step 6: Final answer
    x = 3,225.64

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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.