Home / 2,854.37-4,281.56-1,393.13

Finding the Fourth Proportional to 2,854.37, 4,281.56 and 1,393.13

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Solution

The fourth proportional to 2,854.37, 4,281.56 and 1,393.13 is: 2,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.37 : 4,281.56 = 1,393.13 : x
  2. Step 2: Convert to fraction form
    2,854.37/4,281.56 = 1,393.13/x
  3. Step 3: Cross multiply
    2,854.37x = 4,281.56 × 1,393.13
  4. Step 4: Simplify right side
    2,854.37x = 5,964,741.31
  5. Step 5: Solve for x
    x = 5,964,741.31/2,854.37
  6. Step 6: Final answer
    x = 2,089.69

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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.