Home / 3,089.40-4,263.33-1,673.06

Finding the Fourth Proportional to 3,089.40, 4,263.33 and 1,673.06

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Solution

The fourth proportional to 3,089.40, 4,263.33 and 1,673.06 is: 2,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.40 : 4,263.33 = 1,673.06 : x
  2. Step 2: Convert to fraction form
    3,089.40/4,263.33 = 1,673.06/x
  3. Step 3: Cross multiply
    3,089.40x = 4,263.33 × 1,673.06
  4. Step 4: Simplify right side
    3,089.40x = 7,132,785.57
  5. Step 5: Solve for x
    x = 7,132,785.57/3,089.40
  6. Step 6: Final answer
    x = 2,308.80

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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.