Home / 2,840.30-4,263.65-2,193.90

Finding the Fourth Proportional to 2,840.30, 4,263.65 and 2,193.90

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Solution

The fourth proportional to 2,840.30, 4,263.65 and 2,193.90 is: 3,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.30 : 4,263.65 = 2,193.90 : x
  2. Step 2: Convert to fraction form
    2,840.30/4,263.65 = 2,193.90/x
  3. Step 3: Cross multiply
    2,840.30x = 4,263.65 × 2,193.90
  4. Step 4: Simplify right side
    2,840.30x = 9,354,021.74
  5. Step 5: Solve for x
    x = 9,354,021.74/2,840.30
  6. Step 6: Final answer
    x = 3,293.32

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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.