Home / 2,439.93-3,367.13-1,363.21

Finding the Fourth Proportional to 2,439.93, 3,367.13 and 1,363.21

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Solution

The fourth proportional to 2,439.93, 3,367.13 and 1,363.21 is: 1,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.93 : 3,367.13 = 1,363.21 : x
  2. Step 2: Convert to fraction form
    2,439.93/3,367.13 = 1,363.21/x
  3. Step 3: Cross multiply
    2,439.93x = 3,367.13 × 1,363.21
  4. Step 4: Simplify right side
    2,439.93x = 4,590,090.05
  5. Step 5: Solve for x
    x = 4,590,090.05/2,439.93
  6. Step 6: Final answer
    x = 1,881.24

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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.