Home / 2,927.15-4,390.06-846.69

Finding the Fourth Proportional to 2,927.15, 4,390.06 and 846.69

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Solution

The fourth proportional to 2,927.15, 4,390.06 and 846.69 is: 1,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.15 : 4,390.06 = 846.69 : x
  2. Step 2: Convert to fraction form
    2,927.15/4,390.06 = 846.69/x
  3. Step 3: Cross multiply
    2,927.15x = 4,390.06 × 846.69
  4. Step 4: Simplify right side
    2,927.15x = 3,717,001.32
  5. Step 5: Solve for x
    x = 3,717,001.32/2,927.15
  6. Step 6: Final answer
    x = 1,269.84

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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.