Home / 2,403.68-3,317.09-1,521.05

Finding the Fourth Proportional to 2,403.68, 3,317.09 and 1,521.05

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Solution

The fourth proportional to 2,403.68, 3,317.09 and 1,521.05 is: 2,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.68 : 3,317.09 = 1,521.05 : x
  2. Step 2: Convert to fraction form
    2,403.68/3,317.09 = 1,521.05/x
  3. Step 3: Cross multiply
    2,403.68x = 3,317.09 × 1,521.05
  4. Step 4: Simplify right side
    2,403.68x = 5,045,435.55
  5. Step 5: Solve for x
    x = 5,045,435.55/2,403.68
  6. Step 6: Final answer
    x = 2,099.05

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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.