Home / 2,324.16-3,208.14-1,440.72

Finding the Fourth Proportional to 2,324.16, 3,208.14 and 1,440.72

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Solution

The fourth proportional to 2,324.16, 3,208.14 and 1,440.72 is: 1,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.16 : 3,208.14 = 1,440.72 : x
  2. Step 2: Convert to fraction form
    2,324.16/3,208.14 = 1,440.72/x
  3. Step 3: Cross multiply
    2,324.16x = 3,208.14 × 1,440.72
  4. Step 4: Simplify right side
    2,324.16x = 4,622,031.46
  5. Step 5: Solve for x
    x = 4,622,031.46/2,324.16
  6. Step 6: Final answer
    x = 1,988.69

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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.