Home / 2,862.05-4,285.53-2,303.78

Finding the Fourth Proportional to 2,862.05, 4,285.53 and 2,303.78

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Solution

The fourth proportional to 2,862.05, 4,285.53 and 2,303.78 is: 3,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.05 : 4,285.53 = 2,303.78 : x
  2. Step 2: Convert to fraction form
    2,862.05/4,285.53 = 2,303.78/x
  3. Step 3: Cross multiply
    2,862.05x = 4,285.53 × 2,303.78
  4. Step 4: Simplify right side
    2,862.05x = 9,872,896.88
  5. Step 5: Solve for x
    x = 9,872,896.88/2,862.05
  6. Step 6: Final answer
    x = 3,449.60

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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.