Home / 2,926.47-4,390.74-1,829.55

Finding the Fourth Proportional to 2,926.47, 4,390.74 and 1,829.55

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Solution

The fourth proportional to 2,926.47, 4,390.74 and 1,829.55 is: 2,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.47 : 4,390.74 = 1,829.55 : x
  2. Step 2: Convert to fraction form
    2,926.47/4,390.74 = 1,829.55/x
  3. Step 3: Cross multiply
    2,926.47x = 4,390.74 × 1,829.55
  4. Step 4: Simplify right side
    2,926.47x = 8,033,078.37
  5. Step 5: Solve for x
    x = 8,033,078.37/2,926.47
  6. Step 6: Final answer
    x = 2,744.97

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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.