Home / 2,340.73-3,223.63-2,289.70

Finding the Fourth Proportional to 2,340.73, 3,223.63 and 2,289.70

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Solution

The fourth proportional to 2,340.73, 3,223.63 and 2,289.70 is: 3,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.73 : 3,223.63 = 2,289.70 : x
  2. Step 2: Convert to fraction form
    2,340.73/3,223.63 = 2,289.70/x
  3. Step 3: Cross multiply
    2,340.73x = 3,223.63 × 2,289.70
  4. Step 4: Simplify right side
    2,340.73x = 7,381,152.50
  5. Step 5: Solve for x
    x = 7,381,152.50/2,340.73
  6. Step 6: Final answer
    x = 3,153.35

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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.