Home / 2,007.49-3,011.22-621.36

Finding the Fourth Proportional to 2,007.49, 3,011.22 and 621.36

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Solution

The fourth proportional to 2,007.49, 3,011.22 and 621.36 is: 932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.49 : 3,011.22 = 621.36 : x
  2. Step 2: Convert to fraction form
    2,007.49/3,011.22 = 621.36/x
  3. Step 3: Cross multiply
    2,007.49x = 3,011.22 × 621.36
  4. Step 4: Simplify right side
    2,007.49x = 1,871,051.66
  5. Step 5: Solve for x
    x = 1,871,051.66/2,007.49
  6. Step 6: Final answer
    x = 932.04

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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.