Home / 1,889.46-2,607.39-1,050.17

Finding the Fourth Proportional to 1,889.46, 2,607.39 and 1,050.17

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Solution

The fourth proportional to 1,889.46, 2,607.39 and 1,050.17 is: 1,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.46 : 2,607.39 = 1,050.17 : x
  2. Step 2: Convert to fraction form
    1,889.46/2,607.39 = 1,050.17/x
  3. Step 3: Cross multiply
    1,889.46x = 2,607.39 × 1,050.17
  4. Step 4: Simplify right side
    1,889.46x = 2,738,189.72
  5. Step 5: Solve for x
    x = 2,738,189.72/1,889.46
  6. Step 6: Final answer
    x = 1,449.19

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1.5x scale

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.