Home / 3,315.74-4,970.64-1,366.70

Finding the Fourth Proportional to 3,315.74, 4,970.64 and 1,366.70

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Solution

The fourth proportional to 3,315.74, 4,970.64 and 1,366.70 is: 2,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.74 : 4,970.64 = 1,366.70 : x
  2. Step 2: Convert to fraction form
    3,315.74/4,970.64 = 1,366.70/x
  3. Step 3: Cross multiply
    3,315.74x = 4,970.64 × 1,366.70
  4. Step 4: Simplify right side
    3,315.74x = 6,793,373.69
  5. Step 5: Solve for x
    x = 6,793,373.69/3,315.74
  6. Step 6: Final answer
    x = 2,048.83

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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.