Home / 2,928.87-4,041.89-1,602.70

Finding the Fourth Proportional to 2,928.87, 4,041.89 and 1,602.70

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Solution

The fourth proportional to 2,928.87, 4,041.89 and 1,602.70 is: 2,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.87 : 4,041.89 = 1,602.70 : x
  2. Step 2: Convert to fraction form
    2,928.87/4,041.89 = 1,602.70/x
  3. Step 3: Cross multiply
    2,928.87x = 4,041.89 × 1,602.70
  4. Step 4: Simplify right side
    2,928.87x = 6,477,937.10
  5. Step 5: Solve for x
    x = 6,477,937.10/2,928.87
  6. Step 6: Final answer
    x = 2,211.75

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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.