Home / 1,341.19-2,011.05-416.49

Finding the Fourth Proportional to 1,341.19, 2,011.05 and 416.49

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Solution

The fourth proportional to 1,341.19, 2,011.05 and 416.49 is: 624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.19 : 2,011.05 = 416.49 : x
  2. Step 2: Convert to fraction form
    1,341.19/2,011.05 = 416.49/x
  3. Step 3: Cross multiply
    1,341.19x = 2,011.05 × 416.49
  4. Step 4: Simplify right side
    1,341.19x = 837,582.21
  5. Step 5: Solve for x
    x = 837,582.21/1,341.19
  6. Step 6: Final answer
    x = 624.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.