Home / 1,781.76-2,460.60-1,518.24

Finding the Fourth Proportional to 1,781.76, 2,460.60 and 1,518.24

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Solution

The fourth proportional to 1,781.76, 2,460.60 and 1,518.24 is: 2,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.76 : 2,460.60 = 1,518.24 : x
  2. Step 2: Convert to fraction form
    1,781.76/2,460.60 = 1,518.24/x
  3. Step 3: Cross multiply
    1,781.76x = 2,460.60 × 1,518.24
  4. Step 4: Simplify right side
    1,781.76x = 3,735,781.34
  5. Step 5: Solve for x
    x = 3,735,781.34/1,781.76
  6. Step 6: Final answer
    x = 2,096.68

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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.