Home / 3,490.28-4,814.79-2,370.86

Finding the Fourth Proportional to 3,490.28, 4,814.79 and 2,370.86

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Solution

The fourth proportional to 3,490.28, 4,814.79 and 2,370.86 is: 3,270.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.28 : 4,814.79 = 2,370.86 : x
  2. Step 2: Convert to fraction form
    3,490.28/4,814.79 = 2,370.86/x
  3. Step 3: Cross multiply
    3,490.28x = 4,814.79 × 2,370.86
  4. Step 4: Simplify right side
    3,490.28x = 11,415,193.02
  5. Step 5: Solve for x
    x = 11,415,193.02/3,490.28
  6. Step 6: Final answer
    x = 3,270.57

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1.5x scale

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.