Home / 2,470.60-3,409.41-1,586.74

Finding the Fourth Proportional to 2,470.60, 3,409.41 and 1,586.74

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Solution

The fourth proportional to 2,470.60, 3,409.41 and 1,586.74 is: 2,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.60 : 3,409.41 = 1,586.74 : x
  2. Step 2: Convert to fraction form
    2,470.60/3,409.41 = 1,586.74/x
  3. Step 3: Cross multiply
    2,470.60x = 3,409.41 × 1,586.74
  4. Step 4: Simplify right side
    2,470.60x = 5,409,847.22
  5. Step 5: Solve for x
    x = 5,409,847.22/2,470.60
  6. Step 6: Final answer
    x = 2,189.69

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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.