Home / 1,684.17-2,324.28-976.23

Finding the Fourth Proportional to 1,684.17, 2,324.28 and 976.23

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Solution

The fourth proportional to 1,684.17, 2,324.28 and 976.23 is: 1,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.17 : 2,324.28 = 976.23 : x
  2. Step 2: Convert to fraction form
    1,684.17/2,324.28 = 976.23/x
  3. Step 3: Cross multiply
    1,684.17x = 2,324.28 × 976.23
  4. Step 4: Simplify right side
    1,684.17x = 2,269,031.86
  5. Step 5: Solve for x
    x = 2,269,031.86/1,684.17
  6. Step 6: Final answer
    x = 1,347.27

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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.