Home / 4,228.40-5,835.20-2,340

Finding the Fourth Proportional to 4,228.40, 5,835.20 and 2,340

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Solution

The fourth proportional to 4,228.40, 5,835.20 and 2,340 is: 3,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.40 : 5,835.20 = 2,340 : x
  2. Step 2: Convert to fraction form
    4,228.40/5,835.20 = 2,340/x
  3. Step 3: Cross multiply
    4,228.40x = 5,835.20 × 2,340
  4. Step 4: Simplify right side
    4,228.40x = 13,654,368
  5. Step 5: Solve for x
    x = 13,654,368/4,228.40
  6. Step 6: Final answer
    x = 3,229.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.