Home / 4,053.79-6,080.96-1,280.58

Finding the Fourth Proportional to 4,053.79, 6,080.96 and 1,280.58

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Solution

The fourth proportional to 4,053.79, 6,080.96 and 1,280.58 is: 1,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,053.79 : 6,080.96 = 1,280.58 : x
  2. Step 2: Convert to fraction form
    4,053.79/6,080.96 = 1,280.58/x
  3. Step 3: Cross multiply
    4,053.79x = 6,080.96 × 1,280.58
  4. Step 4: Simplify right side
    4,053.79x = 7,787,155.76
  5. Step 5: Solve for x
    x = 7,787,155.76/4,053.79
  6. Step 6: Final answer
    x = 1,920.96

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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.