Home / 2,785.02-4,173.03-2,558.58

Finding the Fourth Proportional to 2,785.02, 4,173.03 and 2,558.58

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Solution

The fourth proportional to 2,785.02, 4,173.03 and 2,558.58 is: 3,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.02 : 4,173.03 = 2,558.58 : x
  2. Step 2: Convert to fraction form
    2,785.02/4,173.03 = 2,558.58/x
  3. Step 3: Cross multiply
    2,785.02x = 4,173.03 × 2,558.58
  4. Step 4: Simplify right side
    2,785.02x = 10,677,031.10
  5. Step 5: Solve for x
    x = 10,677,031.10/2,785.02
  6. Step 6: Final answer
    x = 3,833.74

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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.