Home / 2,946.51-4,420.31-1,215.27

Finding the Fourth Proportional to 2,946.51, 4,420.31 and 1,215.27

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Solution

The fourth proportional to 2,946.51, 4,420.31 and 1,215.27 is: 1,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.51 : 4,420.31 = 1,215.27 : x
  2. Step 2: Convert to fraction form
    2,946.51/4,420.31 = 1,215.27/x
  3. Step 3: Cross multiply
    2,946.51x = 4,420.31 × 1,215.27
  4. Step 4: Simplify right side
    2,946.51x = 5,371,864.06
  5. Step 5: Solve for x
    x = 5,371,864.06/2,946.51
  6. Step 6: Final answer
    x = 1,823.13

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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.