Home / 2,837.76-4,257.95-1,276.92

Finding the Fourth Proportional to 2,837.76, 4,257.95 and 1,276.92

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Solution

The fourth proportional to 2,837.76, 4,257.95 and 1,276.92 is: 1,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.76 : 4,257.95 = 1,276.92 : x
  2. Step 2: Convert to fraction form
    2,837.76/4,257.95 = 1,276.92/x
  3. Step 3: Cross multiply
    2,837.76x = 4,257.95 × 1,276.92
  4. Step 4: Simplify right side
    2,837.76x = 5,437,055.13
  5. Step 5: Solve for x
    x = 5,437,055.13/2,837.76
  6. Step 6: Final answer
    x = 1,915.97

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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.