Home / 1,491.46-2,235.81-1,368.43

Finding the Fourth Proportional to 1,491.46, 2,235.81 and 1,368.43

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Solution

The fourth proportional to 1,491.46, 2,235.81 and 1,368.43 is: 2,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.46 : 2,235.81 = 1,368.43 : x
  2. Step 2: Convert to fraction form
    1,491.46/2,235.81 = 1,368.43/x
  3. Step 3: Cross multiply
    1,491.46x = 2,235.81 × 1,368.43
  4. Step 4: Simplify right side
    1,491.46x = 3,059,549.48
  5. Step 5: Solve for x
    x = 3,059,549.48/1,491.46
  6. Step 6: Final answer
    x = 2,051.38

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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.