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Finding the Fourth Proportional to 2,928.62, 4,041.50 and 1,880.68

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Solution

The fourth proportional to 2,928.62, 4,041.50 and 1,880.68 is: 2,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.62 : 4,041.50 = 1,880.68 : x
  2. Step 2: Convert to fraction form
    2,928.62/4,041.50 = 1,880.68/x
  3. Step 3: Cross multiply
    2,928.62x = 4,041.50 × 1,880.68
  4. Step 4: Simplify right side
    2,928.62x = 7,600,768.22
  5. Step 5: Solve for x
    x = 7,600,768.22/2,928.62
  6. Step 6: Final answer
    x = 2,595.34

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1.5x scale

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.