Home / 1,341.36-2,011.89-416.74

Finding the Fourth Proportional to 1,341.36, 2,011.89 and 416.74

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Solution

The fourth proportional to 1,341.36, 2,011.89 and 416.74 is: 625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.36 : 2,011.89 = 416.74 : x
  2. Step 2: Convert to fraction form
    1,341.36/2,011.89 = 416.74/x
  3. Step 3: Cross multiply
    1,341.36x = 2,011.89 × 416.74
  4. Step 4: Simplify right side
    1,341.36x = 838,435.04
  5. Step 5: Solve for x
    x = 838,435.04/1,341.36
  6. Step 6: Final answer
    x = 625.06

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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.