Home / 2,802.98-4,202.38-2,626.64

Finding the Fourth Proportional to 2,802.98, 4,202.38 and 2,626.64

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Solution

The fourth proportional to 2,802.98, 4,202.38 and 2,626.64 is: 3,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.98 : 4,202.38 = 2,626.64 : x
  2. Step 2: Convert to fraction form
    2,802.98/4,202.38 = 2,626.64/x
  3. Step 3: Cross multiply
    2,802.98x = 4,202.38 × 2,626.64
  4. Step 4: Simplify right side
    2,802.98x = 11,038,139.40
  5. Step 5: Solve for x
    x = 11,038,139.40/2,802.98
  6. Step 6: Final answer
    x = 3,938.00

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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.