Home / 2,854.16-4,280.48-1,293.60

Finding the Fourth Proportional to 2,854.16, 4,280.48 and 1,293.60

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Solution

The fourth proportional to 2,854.16, 4,280.48 and 1,293.60 is: 1,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.16 : 4,280.48 = 1,293.60 : x
  2. Step 2: Convert to fraction form
    2,854.16/4,280.48 = 1,293.60/x
  3. Step 3: Cross multiply
    2,854.16x = 4,280.48 × 1,293.60
  4. Step 4: Simplify right side
    2,854.16x = 5,537,228.93
  5. Step 5: Solve for x
    x = 5,537,228.93/2,854.16
  6. Step 6: Final answer
    x = 1,940.06

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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.