Home / 2,323.28-3,203.80-2,155.44

Finding the Fourth Proportional to 2,323.28, 3,203.80 and 2,155.44

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Solution

The fourth proportional to 2,323.28, 3,203.80 and 2,155.44 is: 2,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.28 : 3,203.80 = 2,155.44 : x
  2. Step 2: Convert to fraction form
    2,323.28/3,203.80 = 2,155.44/x
  3. Step 3: Cross multiply
    2,323.28x = 3,203.80 × 2,155.44
  4. Step 4: Simplify right side
    2,323.28x = 6,905,598.67
  5. Step 5: Solve for x
    x = 6,905,598.67/2,323.28
  6. Step 6: Final answer
    x = 2,972.35

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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.