Home / 1,945.62-2,684.61-1,106.19

Finding the Fourth Proportional to 1,945.62, 2,684.61 and 1,106.19

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Solution

The fourth proportional to 1,945.62, 2,684.61 and 1,106.19 is: 1,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.62 : 2,684.61 = 1,106.19 : x
  2. Step 2: Convert to fraction form
    1,945.62/2,684.61 = 1,106.19/x
  3. Step 3: Cross multiply
    1,945.62x = 2,684.61 × 1,106.19
  4. Step 4: Simplify right side
    1,945.62x = 2,969,688.74
  5. Step 5: Solve for x
    x = 2,969,688.74/1,945.62
  6. Step 6: Final answer
    x = 1,526.35

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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.