Home / 2,740.48-3,780.80-1,745.58

Finding the Fourth Proportional to 2,740.48, 3,780.80 and 1,745.58

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Solution

The fourth proportional to 2,740.48, 3,780.80 and 1,745.58 is: 2,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.48 : 3,780.80 = 1,745.58 : x
  2. Step 2: Convert to fraction form
    2,740.48/3,780.80 = 1,745.58/x
  3. Step 3: Cross multiply
    2,740.48x = 3,780.80 × 1,745.58
  4. Step 4: Simplify right side
    2,740.48x = 6,599,688.86
  5. Step 5: Solve for x
    x = 6,599,688.86/2,740.48
  6. Step 6: Final answer
    x = 2,408.22

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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.