Home / 4,020.74-6,032.81-1,681.20

Finding the Fourth Proportional to 4,020.74, 6,032.81 and 1,681.20

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Solution

The fourth proportional to 4,020.74, 6,032.81 and 1,681.20 is: 2,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.74 : 6,032.81 = 1,681.20 : x
  2. Step 2: Convert to fraction form
    4,020.74/6,032.81 = 1,681.20/x
  3. Step 3: Cross multiply
    4,020.74x = 6,032.81 × 1,681.20
  4. Step 4: Simplify right side
    4,020.74x = 10,142,351.77
  5. Step 5: Solve for x
    x = 10,142,351.77/4,020.74
  6. Step 6: Final answer
    x = 2,522.51

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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.