Home / 1,664.81-2,497.22-510.56

Finding the Fourth Proportional to 1,664.81, 2,497.22 and 510.56

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Solution

The fourth proportional to 1,664.81, 2,497.22 and 510.56 is: 765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.81 : 2,497.22 = 510.56 : x
  2. Step 2: Convert to fraction form
    1,664.81/2,497.22 = 510.56/x
  3. Step 3: Cross multiply
    1,664.81x = 2,497.22 × 510.56
  4. Step 4: Simplify right side
    1,664.81x = 1,274,980.64
  5. Step 5: Solve for x
    x = 1,274,980.64/1,664.81
  6. Step 6: Final answer
    x = 765.84

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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.