Home / 2,946.25-4,421.19-2,643.71

Finding the Fourth Proportional to 2,946.25, 4,421.19 and 2,643.71

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Solution

The fourth proportional to 2,946.25, 4,421.19 and 2,643.71 is: 3,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.25 : 4,421.19 = 2,643.71 : x
  2. Step 2: Convert to fraction form
    2,946.25/4,421.19 = 2,643.71/x
  3. Step 3: Cross multiply
    2,946.25x = 4,421.19 × 2,643.71
  4. Step 4: Simplify right side
    2,946.25x = 11,688,344.21
  5. Step 5: Solve for x
    x = 11,688,344.21/2,946.25
  6. Step 6: Final answer
    x = 3,967.19

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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.