Home / 2,484.18-3,420.36-2,173.68

Finding the Fourth Proportional to 2,484.18, 3,420.36 and 2,173.68

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Solution

The fourth proportional to 2,484.18, 3,420.36 and 2,173.68 is: 2,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.18 : 3,420.36 = 2,173.68 : x
  2. Step 2: Convert to fraction form
    2,484.18/3,420.36 = 2,173.68/x
  3. Step 3: Cross multiply
    2,484.18x = 3,420.36 × 2,173.68
  4. Step 4: Simplify right side
    2,484.18x = 7,434,768.12
  5. Step 5: Solve for x
    x = 7,434,768.12/2,484.18
  6. Step 6: Final answer
    x = 2,992.85

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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.