Home / 2,315.06-3,468.54-1,927.55

Finding the Fourth Proportional to 2,315.06, 3,468.54 and 1,927.55

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Solution

The fourth proportional to 2,315.06, 3,468.54 and 1,927.55 is: 2,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.06 : 3,468.54 = 1,927.55 : x
  2. Step 2: Convert to fraction form
    2,315.06/3,468.54 = 1,927.55/x
  3. Step 3: Cross multiply
    2,315.06x = 3,468.54 × 1,927.55
  4. Step 4: Simplify right side
    2,315.06x = 6,685,779.46
  5. Step 5: Solve for x
    x = 6,685,779.46/2,315.06
  6. Step 6: Final answer
    x = 2,887.95

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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.