Home / 2,927.88-4,398.30-2,835.72

Finding the Fourth Proportional to 2,927.88, 4,398.30 and 2,835.72

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Solution

The fourth proportional to 2,927.88, 4,398.30 and 2,835.72 is: 4,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.88 : 4,398.30 = 2,835.72 : x
  2. Step 2: Convert to fraction form
    2,927.88/4,398.30 = 2,835.72/x
  3. Step 3: Cross multiply
    2,927.88x = 4,398.30 × 2,835.72
  4. Step 4: Simplify right side
    2,927.88x = 12,472,347.28
  5. Step 5: Solve for x
    x = 12,472,347.28/2,927.88
  6. Step 6: Final answer
    x = 4,259.86

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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.