Home / 2,837.08-4,254.90-1,276.20

Finding the Fourth Proportional to 2,837.08, 4,254.90 and 1,276.20

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Solution

The fourth proportional to 2,837.08, 4,254.90 and 1,276.20 is: 1,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.08 : 4,254.90 = 1,276.20 : x
  2. Step 2: Convert to fraction form
    2,837.08/4,254.90 = 1,276.20/x
  3. Step 3: Cross multiply
    2,837.08x = 4,254.90 × 1,276.20
  4. Step 4: Simplify right side
    2,837.08x = 5,430,103.38
  5. Step 5: Solve for x
    x = 5,430,103.38/2,837.08
  6. Step 6: Final answer
    x = 1,913.98

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1.5x scale

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.