Home / 1,664.52-2,497.20-510.28

Finding the Fourth Proportional to 1,664.52, 2,497.20 and 510.28

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Solution

The fourth proportional to 1,664.52, 2,497.20 and 510.28 is: 765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.52 : 2,497.20 = 510.28 : x
  2. Step 2: Convert to fraction form
    1,664.52/2,497.20 = 510.28/x
  3. Step 3: Cross multiply
    1,664.52x = 2,497.20 × 510.28
  4. Step 4: Simplify right side
    1,664.52x = 1,274,271.22
  5. Step 5: Solve for x
    x = 1,274,271.22/1,664.52
  6. Step 6: Final answer
    x = 765.55

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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.