Home / 2,947.28-4,421.06-1,303.84

Finding the Fourth Proportional to 2,947.28, 4,421.06 and 1,303.84

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Solution

The fourth proportional to 2,947.28, 4,421.06 and 1,303.84 is: 1,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.28 : 4,421.06 = 1,303.84 : x
  2. Step 2: Convert to fraction form
    2,947.28/4,421.06 = 1,303.84/x
  3. Step 3: Cross multiply
    2,947.28x = 4,421.06 × 1,303.84
  4. Step 4: Simplify right side
    2,947.28x = 5,764,354.87
  5. Step 5: Solve for x
    x = 5,764,354.87/2,947.28
  6. Step 6: Final answer
    x = 1,955.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.