Home / 4,222.80-5,826.48-2,453.40

Finding the Fourth Proportional to 4,222.80, 5,826.48 and 2,453.40

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Solution

The fourth proportional to 4,222.80, 5,826.48 and 2,453.40 is: 3,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.80 : 5,826.48 = 2,453.40 : x
  2. Step 2: Convert to fraction form
    4,222.80/5,826.48 = 2,453.40/x
  3. Step 3: Cross multiply
    4,222.80x = 5,826.48 × 2,453.40
  4. Step 4: Simplify right side
    4,222.80x = 14,294,686.03
  5. Step 5: Solve for x
    x = 14,294,686.03/4,222.80
  6. Step 6: Final answer
    x = 3,385.12

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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.