Home / 2,840.89-4,263.98-1,455.22

Finding the Fourth Proportional to 2,840.89, 4,263.98 and 1,455.22

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Solution

The fourth proportional to 2,840.89, 4,263.98 and 1,455.22 is: 2,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.89 : 4,263.98 = 1,455.22 : x
  2. Step 2: Convert to fraction form
    2,840.89/4,263.98 = 1,455.22/x
  3. Step 3: Cross multiply
    2,840.89x = 4,263.98 × 1,455.22
  4. Step 4: Simplify right side
    2,840.89x = 6,205,028.98
  5. Step 5: Solve for x
    x = 6,205,028.98/2,840.89
  6. Step 6: Final answer
    x = 2,184.18

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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.