Home / 4,088.10-6,128.46-1,490.43

Finding the Fourth Proportional to 4,088.10, 6,128.46 and 1,490.43

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Solution

The fourth proportional to 4,088.10, 6,128.46 and 1,490.43 is: 2,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.10 : 6,128.46 = 1,490.43 : x
  2. Step 2: Convert to fraction form
    4,088.10/6,128.46 = 1,490.43/x
  3. Step 3: Cross multiply
    4,088.10x = 6,128.46 × 1,490.43
  4. Step 4: Simplify right side
    4,088.10x = 9,134,063.62
  5. Step 5: Solve for x
    x = 9,134,063.62/4,088.10
  6. Step 6: Final answer
    x = 2,234.30

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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.