Home / 2,871.81-4,296.86-1,702.44

Finding the Fourth Proportional to 2,871.81, 4,296.86 and 1,702.44

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Solution

The fourth proportional to 2,871.81, 4,296.86 and 1,702.44 is: 2,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.81 : 4,296.86 = 1,702.44 : x
  2. Step 2: Convert to fraction form
    2,871.81/4,296.86 = 1,702.44/x
  3. Step 3: Cross multiply
    2,871.81x = 4,296.86 × 1,702.44
  4. Step 4: Simplify right side
    2,871.81x = 7,315,137.83
  5. Step 5: Solve for x
    x = 7,315,137.83/2,871.81
  6. Step 6: Final answer
    x = 2,547.22

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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.