Home / 2,673.32-3,690.28-2,298.80

Finding the Fourth Proportional to 2,673.32, 3,690.28 and 2,298.80

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Solution

The fourth proportional to 2,673.32, 3,690.28 and 2,298.80 is: 3,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.32 : 3,690.28 = 2,298.80 : x
  2. Step 2: Convert to fraction form
    2,673.32/3,690.28 = 2,298.80/x
  3. Step 3: Cross multiply
    2,673.32x = 3,690.28 × 2,298.80
  4. Step 4: Simplify right side
    2,673.32x = 8,483,215.66
  5. Step 5: Solve for x
    x = 8,483,215.66/2,673.32
  6. Step 6: Final answer
    x = 3,173.29

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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.