Home / 2,478.41-3,717.54-1,090.92

Finding the Fourth Proportional to 2,478.41, 3,717.54 and 1,090.92

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Solution

The fourth proportional to 2,478.41, 3,717.54 and 1,090.92 is: 1,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.41 : 3,717.54 = 1,090.92 : x
  2. Step 2: Convert to fraction form
    2,478.41/3,717.54 = 1,090.92/x
  3. Step 3: Cross multiply
    2,478.41x = 3,717.54 × 1,090.92
  4. Step 4: Simplify right side
    2,478.41x = 4,055,538.74
  5. Step 5: Solve for x
    x = 4,055,538.74/2,478.41
  6. Step 6: Final answer
    x = 1,636.35

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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.