Home / 3,010.60-4,154.76-1,684.30

Finding the Fourth Proportional to 3,010.60, 4,154.76 and 1,684.30

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Solution

The fourth proportional to 3,010.60, 4,154.76 and 1,684.30 is: 2,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.60 : 4,154.76 = 1,684.30 : x
  2. Step 2: Convert to fraction form
    3,010.60/4,154.76 = 1,684.30/x
  3. Step 3: Cross multiply
    3,010.60x = 4,154.76 × 1,684.30
  4. Step 4: Simplify right side
    3,010.60x = 6,997,862.27
  5. Step 5: Solve for x
    x = 6,997,862.27/3,010.60
  6. Step 6: Final answer
    x = 2,324.41

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Half scale
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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.