Home / 1,677.56-2,516.35-581.66

Finding the Fourth Proportional to 1,677.56, 2,516.35 and 581.66

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Solution

The fourth proportional to 1,677.56, 2,516.35 and 581.66 is: 872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.56 : 2,516.35 = 581.66 : x
  2. Step 2: Convert to fraction form
    1,677.56/2,516.35 = 581.66/x
  3. Step 3: Cross multiply
    1,677.56x = 2,516.35 × 581.66
  4. Step 4: Simplify right side
    1,677.56x = 1,463,670.79
  5. Step 5: Solve for x
    x = 1,463,670.79/1,677.56
  6. Step 6: Final answer
    x = 872.50

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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.