Home / 4,290.50-5,921.98-2,428.58

Finding the Fourth Proportional to 4,290.50, 5,921.98 and 2,428.58

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Solution

The fourth proportional to 4,290.50, 5,921.98 and 2,428.58 is: 3,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.50 : 5,921.98 = 2,428.58 : x
  2. Step 2: Convert to fraction form
    4,290.50/5,921.98 = 2,428.58/x
  3. Step 3: Cross multiply
    4,290.50x = 5,921.98 × 2,428.58
  4. Step 4: Simplify right side
    4,290.50x = 14,382,002.19
  5. Step 5: Solve for x
    x = 14,382,002.19/4,290.50
  6. Step 6: Final answer
    x = 3,352.06

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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.