Home / 4,290.47-5,920.38-2,522.10

Finding the Fourth Proportional to 4,290.47, 5,920.38 and 2,522.10

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Solution

The fourth proportional to 4,290.47, 5,920.38 and 2,522.10 is: 3,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.47 : 5,920.38 = 2,522.10 : x
  2. Step 2: Convert to fraction form
    4,290.47/5,920.38 = 2,522.10/x
  3. Step 3: Cross multiply
    4,290.47x = 5,920.38 × 2,522.10
  4. Step 4: Simplify right side
    4,290.47x = 14,931,790.40
  5. Step 5: Solve for x
    x = 14,931,790.40/4,290.47
  6. Step 6: Final answer
    x = 3,480.22

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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.