Home / 2,074.08-3,106.80-1,518.40

Finding the Fourth Proportional to 2,074.08, 3,106.80 and 1,518.40

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Solution

The fourth proportional to 2,074.08, 3,106.80 and 1,518.40 is: 2,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.08 : 3,106.80 = 1,518.40 : x
  2. Step 2: Convert to fraction form
    2,074.08/3,106.80 = 1,518.40/x
  3. Step 3: Cross multiply
    2,074.08x = 3,106.80 × 1,518.40
  4. Step 4: Simplify right side
    2,074.08x = 4,717,365.12
  5. Step 5: Solve for x
    x = 4,717,365.12/2,074.08
  6. Step 6: Final answer
    x = 2,274.44

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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.