Home / 2,955.20-4,074.72-1,775.84

Finding the Fourth Proportional to 2,955.20, 4,074.72 and 1,775.84

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Solution

The fourth proportional to 2,955.20, 4,074.72 and 1,775.84 is: 2,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.20 : 4,074.72 = 1,775.84 : x
  2. Step 2: Convert to fraction form
    2,955.20/4,074.72 = 1,775.84/x
  3. Step 3: Cross multiply
    2,955.20x = 4,074.72 × 1,775.84
  4. Step 4: Simplify right side
    2,955.20x = 7,236,050.76
  5. Step 5: Solve for x
    x = 7,236,050.76/2,955.20
  6. Step 6: Final answer
    x = 2,448.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.