Home / 2,820.74-4,228.92-1,065.71

Finding the Fourth Proportional to 2,820.74, 4,228.92 and 1,065.71

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Solution

The fourth proportional to 2,820.74, 4,228.92 and 1,065.71 is: 1,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.74 : 4,228.92 = 1,065.71 : x
  2. Step 2: Convert to fraction form
    2,820.74/4,228.92 = 1,065.71/x
  3. Step 3: Cross multiply
    2,820.74x = 4,228.92 × 1,065.71
  4. Step 4: Simplify right side
    2,820.74x = 4,506,802.33
  5. Step 5: Solve for x
    x = 4,506,802.33/2,820.74
  6. Step 6: Final answer
    x = 1,597.74

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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.