Home / 2,802.68-4,197.63-1,342.87

Finding the Fourth Proportional to 2,802.68, 4,197.63 and 1,342.87

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Solution

The fourth proportional to 2,802.68, 4,197.63 and 1,342.87 is: 2,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.68 : 4,197.63 = 1,342.87 : x
  2. Step 2: Convert to fraction form
    2,802.68/4,197.63 = 1,342.87/x
  3. Step 3: Cross multiply
    2,802.68x = 4,197.63 × 1,342.87
  4. Step 4: Simplify right side
    2,802.68x = 5,636,871.40
  5. Step 5: Solve for x
    x = 5,636,871.40/2,802.68
  6. Step 6: Final answer
    x = 2,011.24

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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.