Home / 2,827.40-4,240.20-1,346.42

Finding the Fourth Proportional to 2,827.40, 4,240.20 and 1,346.42

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Solution

The fourth proportional to 2,827.40, 4,240.20 and 1,346.42 is: 2,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.40 : 4,240.20 = 1,346.42 : x
  2. Step 2: Convert to fraction form
    2,827.40/4,240.20 = 1,346.42/x
  3. Step 3: Cross multiply
    2,827.40x = 4,240.20 × 1,346.42
  4. Step 4: Simplify right side
    2,827.40x = 5,709,090.08
  5. Step 5: Solve for x
    x = 5,709,090.08/2,827.40
  6. Step 6: Final answer
    x = 2,019.20

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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.