Home / 2,645.60-3,642.62-2,246.43

Finding the Fourth Proportional to 2,645.60, 3,642.62 and 2,246.43

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Solution

The fourth proportional to 2,645.60, 3,642.62 and 2,246.43 is: 3,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.60 : 3,642.62 = 2,246.43 : x
  2. Step 2: Convert to fraction form
    2,645.60/3,642.62 = 2,246.43/x
  3. Step 3: Cross multiply
    2,645.60x = 3,642.62 × 2,246.43
  4. Step 4: Simplify right side
    2,645.60x = 8,182,875.18
  5. Step 5: Solve for x
    x = 8,182,875.18/2,645.60
  6. Step 6: Final answer
    x = 3,093.01

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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.