Home / 2,955.35-4,076.69-1,775.72

Finding the Fourth Proportional to 2,955.35, 4,076.69 and 1,775.72

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Solution

The fourth proportional to 2,955.35, 4,076.69 and 1,775.72 is: 2,449.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.35 : 4,076.69 = 1,775.72 : x
  2. Step 2: Convert to fraction form
    2,955.35/4,076.69 = 1,775.72/x
  3. Step 3: Cross multiply
    2,955.35x = 4,076.69 × 1,775.72
  4. Step 4: Simplify right side
    2,955.35x = 7,239,030.70
  5. Step 5: Solve for x
    x = 7,239,030.70/2,955.35
  6. Step 6: Final answer
    x = 2,449.47

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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.