Home / 2,953.18-4,425.87-1,391.06

Finding the Fourth Proportional to 2,953.18, 4,425.87 and 1,391.06

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Solution

The fourth proportional to 2,953.18, 4,425.87 and 1,391.06 is: 2,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.18 : 4,425.87 = 1,391.06 : x
  2. Step 2: Convert to fraction form
    2,953.18/4,425.87 = 1,391.06/x
  3. Step 3: Cross multiply
    2,953.18x = 4,425.87 × 1,391.06
  4. Step 4: Simplify right side
    2,953.18x = 6,156,650.72
  5. Step 5: Solve for x
    x = 6,156,650.72/2,953.18
  6. Step 6: Final answer
    x = 2,084.75

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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.