Home / 2,202.04-3,039.06-1,572.40

Finding the Fourth Proportional to 2,202.04, 3,039.06 and 1,572.40

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Solution

The fourth proportional to 2,202.04, 3,039.06 and 1,572.40 is: 2,170.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.04 : 3,039.06 = 1,572.40 : x
  2. Step 2: Convert to fraction form
    2,202.04/3,039.06 = 1,572.40/x
  3. Step 3: Cross multiply
    2,202.04x = 3,039.06 × 1,572.40
  4. Step 4: Simplify right side
    2,202.04x = 4,778,617.94
  5. Step 5: Solve for x
    x = 4,778,617.94/2,202.04
  6. Step 6: Final answer
    x = 2,170.09

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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.