Home / 1,688.07-2,329.93-1,024.79

Finding the Fourth Proportional to 1,688.07, 2,329.93 and 1,024.79

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Solution

The fourth proportional to 1,688.07, 2,329.93 and 1,024.79 is: 1,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.07 : 2,329.93 = 1,024.79 : x
  2. Step 2: Convert to fraction form
    1,688.07/2,329.93 = 1,024.79/x
  3. Step 3: Cross multiply
    1,688.07x = 2,329.93 × 1,024.79
  4. Step 4: Simplify right side
    1,688.07x = 2,387,678.60
  5. Step 5: Solve for x
    x = 2,387,678.60/1,688.07
  6. Step 6: Final answer
    x = 1,414.44

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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.