Home / 2,574.20-3,552.62-2,153.81

Finding the Fourth Proportional to 2,574.20, 3,552.62 and 2,153.81

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Solution

The fourth proportional to 2,574.20, 3,552.62 and 2,153.81 is: 2,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.20 : 3,552.62 = 2,153.81 : x
  2. Step 2: Convert to fraction form
    2,574.20/3,552.62 = 2,153.81/x
  3. Step 3: Cross multiply
    2,574.20x = 3,552.62 × 2,153.81
  4. Step 4: Simplify right side
    2,574.20x = 7,651,668.48
  5. Step 5: Solve for x
    x = 7,651,668.48/2,574.20
  6. Step 6: Final answer
    x = 2,972.45

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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.