Home / 2,955.04-4,077.97-1,628.83

Finding the Fourth Proportional to 2,955.04, 4,077.97 and 1,628.83

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Solution

The fourth proportional to 2,955.04, 4,077.97 and 1,628.83 is: 2,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.04 : 4,077.97 = 1,628.83 : x
  2. Step 2: Convert to fraction form
    2,955.04/4,077.97 = 1,628.83/x
  3. Step 3: Cross multiply
    2,955.04x = 4,077.97 × 1,628.83
  4. Step 4: Simplify right side
    2,955.04x = 6,642,319.88
  5. Step 5: Solve for x
    x = 6,642,319.88/2,955.04
  6. Step 6: Final answer
    x = 2,247.79

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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.