Home / 3,574.72-4,928.52-2,313.56

Finding the Fourth Proportional to 3,574.72, 4,928.52 and 2,313.56

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Solution

The fourth proportional to 3,574.72, 4,928.52 and 2,313.56 is: 3,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.72 : 4,928.52 = 2,313.56 : x
  2. Step 2: Convert to fraction form
    3,574.72/4,928.52 = 2,313.56/x
  3. Step 3: Cross multiply
    3,574.72x = 4,928.52 × 2,313.56
  4. Step 4: Simplify right side
    3,574.72x = 11,402,426.73
  5. Step 5: Solve for x
    x = 11,402,426.73/3,574.72
  6. Step 6: Final answer
    x = 3,189.74

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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.