Home / 2,222.02-3,331.41-988.93

Finding the Fourth Proportional to 2,222.02, 3,331.41 and 988.93

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Solution

The fourth proportional to 2,222.02, 3,331.41 and 988.93 is: 1,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.02 : 3,331.41 = 988.93 : x
  2. Step 2: Convert to fraction form
    2,222.02/3,331.41 = 988.93/x
  3. Step 3: Cross multiply
    2,222.02x = 3,331.41 × 988.93
  4. Step 4: Simplify right side
    2,222.02x = 3,294,531.29
  5. Step 5: Solve for x
    x = 3,294,531.29/2,222.02
  6. Step 6: Final answer
    x = 1,482.67

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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.