Home / 3,415.53-4,713.48-2,018.28

Finding the Fourth Proportional to 3,415.53, 4,713.48 and 2,018.28

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Solution

The fourth proportional to 3,415.53, 4,713.48 and 2,018.28 is: 2,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.53 : 4,713.48 = 2,018.28 : x
  2. Step 2: Convert to fraction form
    3,415.53/4,713.48 = 2,018.28/x
  3. Step 3: Cross multiply
    3,415.53x = 4,713.48 × 2,018.28
  4. Step 4: Simplify right side
    3,415.53x = 9,513,122.41
  5. Step 5: Solve for x
    x = 9,513,122.41/3,415.53
  6. Step 6: Final answer
    x = 2,785.26

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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.