Home / 2,572.45-3,550.20-2,152.06

Finding the Fourth Proportional to 2,572.45, 3,550.20 and 2,152.06

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Solution

The fourth proportional to 2,572.45, 3,550.20 and 2,152.06 is: 2,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.45 : 3,550.20 = 2,152.06 : x
  2. Step 2: Convert to fraction form
    2,572.45/3,550.20 = 2,152.06/x
  3. Step 3: Cross multiply
    2,572.45x = 3,550.20 × 2,152.06
  4. Step 4: Simplify right side
    2,572.45x = 7,640,226.47
  5. Step 5: Solve for x
    x = 7,640,226.47/2,572.45
  6. Step 6: Final answer
    x = 2,970.02

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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.