Home / 1,955.15-2,934.20-1,515.33

Finding the Fourth Proportional to 1,955.15, 2,934.20 and 1,515.33

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Solution

The fourth proportional to 1,955.15, 2,934.20 and 1,515.33 is: 2,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.15 : 2,934.20 = 1,515.33 : x
  2. Step 2: Convert to fraction form
    1,955.15/2,934.20 = 1,515.33/x
  3. Step 3: Cross multiply
    1,955.15x = 2,934.20 × 1,515.33
  4. Step 4: Simplify right side
    1,955.15x = 4,446,285.07
  5. Step 5: Solve for x
    x = 4,446,285.07/1,955.15
  6. Step 6: Final answer
    x = 2,274.14

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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.