Home / 2,309.58-3,465.09-2,126.34

Finding the Fourth Proportional to 2,309.58, 3,465.09 and 2,126.34

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Solution

The fourth proportional to 2,309.58, 3,465.09 and 2,126.34 is: 3,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.58 : 3,465.09 = 2,126.34 : x
  2. Step 2: Convert to fraction form
    2,309.58/3,465.09 = 2,126.34/x
  3. Step 3: Cross multiply
    2,309.58x = 3,465.09 × 2,126.34
  4. Step 4: Simplify right side
    2,309.58x = 7,367,959.47
  5. Step 5: Solve for x
    x = 7,367,959.47/2,309.58
  6. Step 6: Final answer
    x = 3,190.17

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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.