Home / 3,505.13-4,837.43-2,619.40

Finding the Fourth Proportional to 3,505.13, 4,837.43 and 2,619.40

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Solution

The fourth proportional to 3,505.13, 4,837.43 and 2,619.40 is: 3,615.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.13 : 4,837.43 = 2,619.40 : x
  2. Step 2: Convert to fraction form
    3,505.13/4,837.43 = 2,619.40/x
  3. Step 3: Cross multiply
    3,505.13x = 4,837.43 × 2,619.40
  4. Step 4: Simplify right side
    3,505.13x = 12,671,138.95
  5. Step 5: Solve for x
    x = 12,671,138.95/3,505.13
  6. Step 6: Final answer
    x = 3,615.02

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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.