Home / 1,683.03-2,323.84-1,020.79

Finding the Fourth Proportional to 1,683.03, 2,323.84 and 1,020.79

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Solution

The fourth proportional to 1,683.03, 2,323.84 and 1,020.79 is: 1,409.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.03 : 2,323.84 = 1,020.79 : x
  2. Step 2: Convert to fraction form
    1,683.03/2,323.84 = 1,020.79/x
  3. Step 3: Cross multiply
    1,683.03x = 2,323.84 × 1,020.79
  4. Step 4: Simplify right side
    1,683.03x = 2,372,141.83
  5. Step 5: Solve for x
    x = 2,372,141.83/1,683.03
  6. Step 6: Final answer
    x = 1,409.44

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1.5x scale

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.