Home / 1,376.04-2,065.41-1,009.79

Finding the Fourth Proportional to 1,376.04, 2,065.41 and 1,009.79

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Solution

The fourth proportional to 1,376.04, 2,065.41 and 1,009.79 is: 1,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.04 : 2,065.41 = 1,009.79 : x
  2. Step 2: Convert to fraction form
    1,376.04/2,065.41 = 1,009.79/x
  3. Step 3: Cross multiply
    1,376.04x = 2,065.41 × 1,009.79
  4. Step 4: Simplify right side
    1,376.04x = 2,085,630.36
  5. Step 5: Solve for x
    x = 2,085,630.36/1,376.04
  6. Step 6: Final answer
    x = 1,515.68

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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.