Home / 2,740.08-3,783.13-1,693.96

Finding the Fourth Proportional to 2,740.08, 3,783.13 and 1,693.96

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Solution

The fourth proportional to 2,740.08, 3,783.13 and 1,693.96 is: 2,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.08 : 3,783.13 = 1,693.96 : x
  2. Step 2: Convert to fraction form
    2,740.08/3,783.13 = 1,693.96/x
  3. Step 3: Cross multiply
    2,740.08x = 3,783.13 × 1,693.96
  4. Step 4: Simplify right side
    2,740.08x = 6,408,483.25
  5. Step 5: Solve for x
    x = 6,408,483.25/2,740.08
  6. Step 6: Final answer
    x = 2,338.80

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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.