Home / 3,195.40-4,784.08-2,153.34

Finding the Fourth Proportional to 3,195.40, 4,784.08 and 2,153.34

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Solution

The fourth proportional to 3,195.40, 4,784.08 and 2,153.34 is: 3,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.40 : 4,784.08 = 2,153.34 : x
  2. Step 2: Convert to fraction form
    3,195.40/4,784.08 = 2,153.34/x
  3. Step 3: Cross multiply
    3,195.40x = 4,784.08 × 2,153.34
  4. Step 4: Simplify right side
    3,195.40x = 10,301,750.83
  5. Step 5: Solve for x
    x = 10,301,750.83/3,195.40
  6. Step 6: Final answer
    x = 3,223.93

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1.5x scale

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.