Home / 2,308.21-3,184.90-1,363.79

Finding the Fourth Proportional to 2,308.21, 3,184.90 and 1,363.79

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Solution

The fourth proportional to 2,308.21, 3,184.90 and 1,363.79 is: 1,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.21 : 3,184.90 = 1,363.79 : x
  2. Step 2: Convert to fraction form
    2,308.21/3,184.90 = 1,363.79/x
  3. Step 3: Cross multiply
    2,308.21x = 3,184.90 × 1,363.79
  4. Step 4: Simplify right side
    2,308.21x = 4,343,529.08
  5. Step 5: Solve for x
    x = 4,343,529.08/2,308.21
  6. Step 6: Final answer
    x = 1,881.77

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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.