Home / 2,857.25-4,285.80-1,541.58

Finding the Fourth Proportional to 2,857.25, 4,285.80 and 1,541.58

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Solution

The fourth proportional to 2,857.25, 4,285.80 and 1,541.58 is: 2,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.25 : 4,285.80 = 1,541.58 : x
  2. Step 2: Convert to fraction form
    2,857.25/4,285.80 = 1,541.58/x
  3. Step 3: Cross multiply
    2,857.25x = 4,285.80 × 1,541.58
  4. Step 4: Simplify right side
    2,857.25x = 6,606,903.56
  5. Step 5: Solve for x
    x = 6,606,903.56/2,857.25
  6. Step 6: Final answer
    x = 2,312.33

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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.