Home / 2,802.17-4,202.29-1,243.27

Finding the Fourth Proportional to 2,802.17, 4,202.29 and 1,243.27

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Solution

The fourth proportional to 2,802.17, 4,202.29 and 1,243.27 is: 1,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.17 : 4,202.29 = 1,243.27 : x
  2. Step 2: Convert to fraction form
    2,802.17/4,202.29 = 1,243.27/x
  3. Step 3: Cross multiply
    2,802.17x = 4,202.29 × 1,243.27
  4. Step 4: Simplify right side
    2,802.17x = 5,224,574.87
  5. Step 5: Solve for x
    x = 5,224,574.87/2,802.17
  6. Step 6: Final answer
    x = 1,864.47

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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.