Home / 3,486.58-4,810.78-2,070.02

Finding the Fourth Proportional to 3,486.58, 4,810.78 and 2,070.02

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Solution

The fourth proportional to 3,486.58, 4,810.78 and 2,070.02 is: 2,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.58 : 4,810.78 = 2,070.02 : x
  2. Step 2: Convert to fraction form
    3,486.58/4,810.78 = 2,070.02/x
  3. Step 3: Cross multiply
    3,486.58x = 4,810.78 × 2,070.02
  4. Step 4: Simplify right side
    3,486.58x = 9,958,410.82
  5. Step 5: Solve for x
    x = 9,958,410.82/3,486.58
  6. Step 6: Final answer
    x = 2,856.21

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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.