Home / 3,089.74-4,263.81-1,673.39

Finding the Fourth Proportional to 3,089.74, 4,263.81 and 1,673.39

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Solution

The fourth proportional to 3,089.74, 4,263.81 and 1,673.39 is: 2,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.74 : 4,263.81 = 1,673.39 : x
  2. Step 2: Convert to fraction form
    3,089.74/4,263.81 = 1,673.39/x
  3. Step 3: Cross multiply
    3,089.74x = 4,263.81 × 1,673.39
  4. Step 4: Simplify right side
    3,089.74x = 7,135,017.02
  5. Step 5: Solve for x
    x = 7,135,017.02/3,089.74
  6. Step 6: Final answer
    x = 2,309.26

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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.