Home / 3,380.34-4,666.56-2,123.22

Finding the Fourth Proportional to 3,380.34, 4,666.56 and 2,123.22

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Solution

The fourth proportional to 3,380.34, 4,666.56 and 2,123.22 is: 2,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.34 : 4,666.56 = 2,123.22 : x
  2. Step 2: Convert to fraction form
    3,380.34/4,666.56 = 2,123.22/x
  3. Step 3: Cross multiply
    3,380.34x = 4,666.56 × 2,123.22
  4. Step 4: Simplify right side
    3,380.34x = 9,908,133.52
  5. Step 5: Solve for x
    x = 9,908,133.52/3,380.34
  6. Step 6: Final answer
    x = 2,931.11

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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.