Home / 1,549.40-2,321.19-1,341.63

Finding the Fourth Proportional to 1,549.40, 2,321.19 and 1,341.63

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Solution

The fourth proportional to 1,549.40, 2,321.19 and 1,341.63 is: 2,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.40 : 2,321.19 = 1,341.63 : x
  2. Step 2: Convert to fraction form
    1,549.40/2,321.19 = 1,341.63/x
  3. Step 3: Cross multiply
    1,549.40x = 2,321.19 × 1,341.63
  4. Step 4: Simplify right side
    1,549.40x = 3,114,178.14
  5. Step 5: Solve for x
    x = 3,114,178.14/1,549.40
  6. Step 6: Final answer
    x = 2,009.93

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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.