Home / 1,341.70-1,852.68-1,009.56

Finding the Fourth Proportional to 1,341.70, 1,852.68 and 1,009.56

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Solution

The fourth proportional to 1,341.70, 1,852.68 and 1,009.56 is: 1,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.70 : 1,852.68 = 1,009.56 : x
  2. Step 2: Convert to fraction form
    1,341.70/1,852.68 = 1,009.56/x
  3. Step 3: Cross multiply
    1,341.70x = 1,852.68 × 1,009.56
  4. Step 4: Simplify right side
    1,341.70x = 1,870,391.62
  5. Step 5: Solve for x
    x = 1,870,391.62/1,341.70
  6. Step 6: Final answer
    x = 1,394.05

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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.