Home / 2,953.46-4,428.81-1,721.18

Finding the Fourth Proportional to 2,953.46, 4,428.81 and 1,721.18

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Solution

The fourth proportional to 2,953.46, 4,428.81 and 1,721.18 is: 2,580.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.46 : 4,428.81 = 1,721.18 : x
  2. Step 2: Convert to fraction form
    2,953.46/4,428.81 = 1,721.18/x
  3. Step 3: Cross multiply
    2,953.46x = 4,428.81 × 1,721.18
  4. Step 4: Simplify right side
    2,953.46x = 7,622,779.20
  5. Step 5: Solve for x
    x = 7,622,779.20/2,953.46
  6. Step 6: Final answer
    x = 2,580.97

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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.