Home / 2,869.17-4,303.95-1,225.71

Finding the Fourth Proportional to 2,869.17, 4,303.95 and 1,225.71

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Solution

The fourth proportional to 2,869.17, 4,303.95 and 1,225.71 is: 1,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.17 : 4,303.95 = 1,225.71 : x
  2. Step 2: Convert to fraction form
    2,869.17/4,303.95 = 1,225.71/x
  3. Step 3: Cross multiply
    2,869.17x = 4,303.95 × 1,225.71
  4. Step 4: Simplify right side
    2,869.17x = 5,275,394.55
  5. Step 5: Solve for x
    x = 5,275,394.55/2,869.17
  6. Step 6: Final answer
    x = 1,838.65

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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.