Home / 3,074.02-4,241.54-1,815.13

Finding the Fourth Proportional to 3,074.02, 4,241.54 and 1,815.13

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Solution

The fourth proportional to 3,074.02, 4,241.54 and 1,815.13 is: 2,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.02 : 4,241.54 = 1,815.13 : x
  2. Step 2: Convert to fraction form
    3,074.02/4,241.54 = 1,815.13/x
  3. Step 3: Cross multiply
    3,074.02x = 4,241.54 × 1,815.13
  4. Step 4: Simplify right side
    3,074.02x = 7,698,926.82
  5. Step 5: Solve for x
    x = 7,698,926.82/3,074.02
  6. Step 6: Final answer
    x = 2,504.52

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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.