Home / 2,989.95-4,480.82-1,526.03

Finding the Fourth Proportional to 2,989.95, 4,480.82 and 1,526.03

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Solution

The fourth proportional to 2,989.95, 4,480.82 and 1,526.03 is: 2,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.95 : 4,480.82 = 1,526.03 : x
  2. Step 2: Convert to fraction form
    2,989.95/4,480.82 = 1,526.03/x
  3. Step 3: Cross multiply
    2,989.95x = 4,480.82 × 1,526.03
  4. Step 4: Simplify right side
    2,989.95x = 6,837,835.71
  5. Step 5: Solve for x
    x = 6,837,835.71/2,989.95
  6. Step 6: Final answer
    x = 2,286.94

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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.