Home / 3,095.15-4,641.30-986.22

Finding the Fourth Proportional to 3,095.15, 4,641.30 and 986.22

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Solution

The fourth proportional to 3,095.15, 4,641.30 and 986.22 is: 1,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.15 : 4,641.30 = 986.22 : x
  2. Step 2: Convert to fraction form
    3,095.15/4,641.30 = 986.22/x
  3. Step 3: Cross multiply
    3,095.15x = 4,641.30 × 986.22
  4. Step 4: Simplify right side
    3,095.15x = 4,577,342.89
  5. Step 5: Solve for x
    x = 4,577,342.89/3,095.15
  6. Step 6: Final answer
    x = 1,478.88

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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.