Home / 1,895.07-2,842.07-1,200.69

Finding the Fourth Proportional to 1,895.07, 2,842.07 and 1,200.69

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Solution

The fourth proportional to 1,895.07, 2,842.07 and 1,200.69 is: 1,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.07 : 2,842.07 = 1,200.69 : x
  2. Step 2: Convert to fraction form
    1,895.07/2,842.07 = 1,200.69/x
  3. Step 3: Cross multiply
    1,895.07x = 2,842.07 × 1,200.69
  4. Step 4: Simplify right side
    1,895.07x = 3,412,439.02
  5. Step 5: Solve for x
    x = 3,412,439.02/1,895.07
  6. Step 6: Final answer
    x = 1,800.69

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1.5x scale

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.