Home / 3,089.50-4,263.46-1,673.18

Finding the Fourth Proportional to 3,089.50, 4,263.46 and 1,673.18

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Solution

The fourth proportional to 3,089.50, 4,263.46 and 1,673.18 is: 2,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.50 : 4,263.46 = 1,673.18 : x
  2. Step 2: Convert to fraction form
    3,089.50/4,263.46 = 1,673.18/x
  3. Step 3: Cross multiply
    3,089.50x = 4,263.46 × 1,673.18
  4. Step 4: Simplify right side
    3,089.50x = 7,133,536.00
  5. Step 5: Solve for x
    x = 7,133,536.00/3,089.50
  6. Step 6: Final answer
    x = 2,308.96

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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.