Home / 2,847.34-4,271.02-1,115.02

Finding the Fourth Proportional to 2,847.34, 4,271.02 and 1,115.02

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Solution

The fourth proportional to 2,847.34, 4,271.02 and 1,115.02 is: 1,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.34 : 4,271.02 = 1,115.02 : x
  2. Step 2: Convert to fraction form
    2,847.34/4,271.02 = 1,115.02/x
  3. Step 3: Cross multiply
    2,847.34x = 4,271.02 × 1,115.02
  4. Step 4: Simplify right side
    2,847.34x = 4,762,272.72
  5. Step 5: Solve for x
    x = 4,762,272.72/2,847.34
  6. Step 6: Final answer
    x = 1,672.53

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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.