Home / 2,518.92-3,477.84-1,575.12

Finding the Fourth Proportional to 2,518.92, 3,477.84 and 1,575.12

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Solution

The fourth proportional to 2,518.92, 3,477.84 and 1,575.12 is: 2,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.92 : 3,477.84 = 1,575.12 : x
  2. Step 2: Convert to fraction form
    2,518.92/3,477.84 = 1,575.12/x
  3. Step 3: Cross multiply
    2,518.92x = 3,477.84 × 1,575.12
  4. Step 4: Simplify right side
    2,518.92x = 5,478,015.34
  5. Step 5: Solve for x
    x = 5,478,015.34/2,518.92
  6. Step 6: Final answer
    x = 2,174.75

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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.