Home / 3,036.54-4,552.35-1,280.40

Finding the Fourth Proportional to 3,036.54, 4,552.35 and 1,280.40

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Solution

The fourth proportional to 3,036.54, 4,552.35 and 1,280.40 is: 1,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.54 : 4,552.35 = 1,280.40 : x
  2. Step 2: Convert to fraction form
    3,036.54/4,552.35 = 1,280.40/x
  3. Step 3: Cross multiply
    3,036.54x = 4,552.35 × 1,280.40
  4. Step 4: Simplify right side
    3,036.54x = 5,828,841.21
  5. Step 5: Solve for x
    x = 5,828,841.21/3,036.54
  6. Step 6: Final answer
    x = 1,919.57

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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.