Home / 3,051.45-4,575.12-1,103.40

Finding the Fourth Proportional to 3,051.45, 4,575.12 and 1,103.40

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Solution

The fourth proportional to 3,051.45, 4,575.12 and 1,103.40 is: 1,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.45 : 4,575.12 = 1,103.40 : x
  2. Step 2: Convert to fraction form
    3,051.45/4,575.12 = 1,103.40/x
  3. Step 3: Cross multiply
    3,051.45x = 4,575.12 × 1,103.40
  4. Step 4: Simplify right side
    3,051.45x = 5,048,187.41
  5. Step 5: Solve for x
    x = 5,048,187.41/3,051.45
  6. Step 6: Final answer
    x = 1,654.36

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1.5x scale

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.