Home / 2,807.40-4,205.03-2,442.90

Finding the Fourth Proportional to 2,807.40, 4,205.03 and 2,442.90

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Solution

The fourth proportional to 2,807.40, 4,205.03 and 2,442.90 is: 3,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.40 : 4,205.03 = 2,442.90 : x
  2. Step 2: Convert to fraction form
    2,807.40/4,205.03 = 2,442.90/x
  3. Step 3: Cross multiply
    2,807.40x = 4,205.03 × 2,442.90
  4. Step 4: Simplify right side
    2,807.40x = 10,272,455.57
  5. Step 5: Solve for x
    x = 10,272,455.57/2,807.40
  6. Step 6: Final answer
    x = 3,659.06

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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.