Home / 3,148.61-4,345.09-1,751.36

Finding the Fourth Proportional to 3,148.61, 4,345.09 and 1,751.36

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Solution

The fourth proportional to 3,148.61, 4,345.09 and 1,751.36 is: 2,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.61 : 4,345.09 = 1,751.36 : x
  2. Step 2: Convert to fraction form
    3,148.61/4,345.09 = 1,751.36/x
  3. Step 3: Cross multiply
    3,148.61x = 4,345.09 × 1,751.36
  4. Step 4: Simplify right side
    3,148.61x = 7,609,790.72
  5. Step 5: Solve for x
    x = 7,609,790.72/3,148.61
  6. Step 6: Final answer
    x = 2,416.88

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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.