Home / 2,928.42-4,039.47-2,534.76

Finding the Fourth Proportional to 2,928.42, 4,039.47 and 2,534.76

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Solution

The fourth proportional to 2,928.42, 4,039.47 and 2,534.76 is: 3,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.42 : 4,039.47 = 2,534.76 : x
  2. Step 2: Convert to fraction form
    2,928.42/4,039.47 = 2,534.76/x
  3. Step 3: Cross multiply
    2,928.42x = 4,039.47 × 2,534.76
  4. Step 4: Simplify right side
    2,928.42x = 10,239,086.98
  5. Step 5: Solve for x
    x = 10,239,086.98/2,928.42
  6. Step 6: Final answer
    x = 3,496.45

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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.