Home / 1,729.38-2,594.07-1,440.21

Finding the Fourth Proportional to 1,729.38, 2,594.07 and 1,440.21

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Solution

The fourth proportional to 1,729.38, 2,594.07 and 1,440.21 is: 2,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.38 : 2,594.07 = 1,440.21 : x
  2. Step 2: Convert to fraction form
    1,729.38/2,594.07 = 1,440.21/x
  3. Step 3: Cross multiply
    1,729.38x = 2,594.07 × 1,440.21
  4. Step 4: Simplify right side
    1,729.38x = 3,736,005.55
  5. Step 5: Solve for x
    x = 3,736,005.55/1,729.38
  6. Step 6: Final answer
    x = 2,160.32

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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.