Home / 1,764.18-2,643.84-1,681.56

Finding the Fourth Proportional to 1,764.18, 2,643.84 and 1,681.56

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Solution

The fourth proportional to 1,764.18, 2,643.84 and 1,681.56 is: 2,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.18 : 2,643.84 = 1,681.56 : x
  2. Step 2: Convert to fraction form
    1,764.18/2,643.84 = 1,681.56/x
  3. Step 3: Cross multiply
    1,764.18x = 2,643.84 × 1,681.56
  4. Step 4: Simplify right side
    1,764.18x = 4,445,775.59
  5. Step 5: Solve for x
    x = 4,445,775.59/1,764.18
  6. Step 6: Final answer
    x = 2,520.02

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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.