Home / 2,762.25-3,811.80-1,583.08

Finding the Fourth Proportional to 2,762.25, 3,811.80 and 1,583.08

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Solution

The fourth proportional to 2,762.25, 3,811.80 and 1,583.08 is: 2,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.25 : 3,811.80 = 1,583.08 : x
  2. Step 2: Convert to fraction form
    2,762.25/3,811.80 = 1,583.08/x
  3. Step 3: Cross multiply
    2,762.25x = 3,811.80 × 1,583.08
  4. Step 4: Simplify right side
    2,762.25x = 6,034,384.34
  5. Step 5: Solve for x
    x = 6,034,384.34/2,762.25
  6. Step 6: Final answer
    x = 2,184.59

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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.