Home / 1,443.24-2,166.08-622.13

Finding the Fourth Proportional to 1,443.24, 2,166.08 and 622.13

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Solution

The fourth proportional to 1,443.24, 2,166.08 and 622.13 is: 933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443.24 : 2,166.08 = 622.13 : x
  2. Step 2: Convert to fraction form
    1,443.24/2,166.08 = 622.13/x
  3. Step 3: Cross multiply
    1,443.24x = 2,166.08 × 622.13
  4. Step 4: Simplify right side
    1,443.24x = 1,347,569.41
  5. Step 5: Solve for x
    x = 1,347,569.41/1,443.24
  6. Step 6: Final answer
    x = 933.71

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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.