Home / 1,364.04-2,046.78-1,069.74

Finding the Fourth Proportional to 1,364.04, 2,046.78 and 1,069.74

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Solution

The fourth proportional to 1,364.04, 2,046.78 and 1,069.74 is: 1,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.04 : 2,046.78 = 1,069.74 : x
  2. Step 2: Convert to fraction form
    1,364.04/2,046.78 = 1,069.74/x
  3. Step 3: Cross multiply
    1,364.04x = 2,046.78 × 1,069.74
  4. Step 4: Simplify right side
    1,364.04x = 2,189,522.44
  5. Step 5: Solve for x
    x = 2,189,522.44/1,364.04
  6. Step 6: Final answer
    x = 1,605.17

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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.