Home / 1,945.58-2,684.95-1,106.18

Finding the Fourth Proportional to 1,945.58, 2,684.95 and 1,106.18

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Solution

The fourth proportional to 1,945.58, 2,684.95 and 1,106.18 is: 1,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.58 : 2,684.95 = 1,106.18 : x
  2. Step 2: Convert to fraction form
    1,945.58/2,684.95 = 1,106.18/x
  3. Step 3: Cross multiply
    1,945.58x = 2,684.95 × 1,106.18
  4. Step 4: Simplify right side
    1,945.58x = 2,970,021.80
  5. Step 5: Solve for x
    x = 2,970,021.80/1,945.58
  6. Step 6: Final answer
    x = 1,526.55

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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.