Home / 4,145.61-6,212.93-1,677.51

Finding the Fourth Proportional to 4,145.61, 6,212.93 and 1,677.51

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Solution

The fourth proportional to 4,145.61, 6,212.93 and 1,677.51 is: 2,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.61 : 6,212.93 = 1,677.51 : x
  2. Step 2: Convert to fraction form
    4,145.61/6,212.93 = 1,677.51/x
  3. Step 3: Cross multiply
    4,145.61x = 6,212.93 × 1,677.51
  4. Step 4: Simplify right side
    4,145.61x = 10,422,252.20
  5. Step 5: Solve for x
    x = 10,422,252.20/4,145.61
  6. Step 6: Final answer
    x = 2,514.05

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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.