Home / 1,479.50-2,041.70-850.07

Finding the Fourth Proportional to 1,479.50, 2,041.70 and 850.07

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Solution

The fourth proportional to 1,479.50, 2,041.70 and 850.07 is: 1,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479.50 : 2,041.70 = 850.07 : x
  2. Step 2: Convert to fraction form
    1,479.50/2,041.70 = 850.07/x
  3. Step 3: Cross multiply
    1,479.50x = 2,041.70 × 850.07
  4. Step 4: Simplify right side
    1,479.50x = 1,735,579.84
  5. Step 5: Solve for x
    x = 1,735,579.84/1,479.50
  6. Step 6: Final answer
    x = 1,173.08

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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.