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Finding the Fourth Proportional to 2,928.97, 4,041.97 and 1,602.67

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Solution

The fourth proportional to 2,928.97, 4,041.97 and 1,602.67 is: 2,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.97 : 4,041.97 = 1,602.67 : x
  2. Step 2: Convert to fraction form
    2,928.97/4,041.97 = 1,602.67/x
  3. Step 3: Cross multiply
    2,928.97x = 4,041.97 × 1,602.67
  4. Step 4: Simplify right side
    2,928.97x = 6,477,915.84
  5. Step 5: Solve for x
    x = 6,477,915.84/2,928.97
  6. Step 6: Final answer
    x = 2,211.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.