Home / 2,223.10-3,334.65-1,402.30

Finding the Fourth Proportional to 2,223.10, 3,334.65 and 1,402.30

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Solution

The fourth proportional to 2,223.10, 3,334.65 and 1,402.30 is: 2,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.10 : 3,334.65 = 1,402.30 : x
  2. Step 2: Convert to fraction form
    2,223.10/3,334.65 = 1,402.30/x
  3. Step 3: Cross multiply
    2,223.10x = 3,334.65 × 1,402.30
  4. Step 4: Simplify right side
    2,223.10x = 4,676,179.70
  5. Step 5: Solve for x
    x = 4,676,179.70/2,223.10
  6. Step 6: Final answer
    x = 2,103.45

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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.