Home / 2,319.46-3,201.93-1,490.02

Finding the Fourth Proportional to 2,319.46, 3,201.93 and 1,490.02

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Solution

The fourth proportional to 2,319.46, 3,201.93 and 1,490.02 is: 2,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.46 : 3,201.93 = 1,490.02 : x
  2. Step 2: Convert to fraction form
    2,319.46/3,201.93 = 1,490.02/x
  3. Step 3: Cross multiply
    2,319.46x = 3,201.93 × 1,490.02
  4. Step 4: Simplify right side
    2,319.46x = 4,770,939.74
  5. Step 5: Solve for x
    x = 4,770,939.74/2,319.46
  6. Step 6: Final answer
    x = 2,056.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.