Home / 1,660.68-2,294.07-1,573.20

Finding the Fourth Proportional to 1,660.68, 2,294.07 and 1,573.20

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Solution

The fourth proportional to 1,660.68, 2,294.07 and 1,573.20 is: 2,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.68 : 2,294.07 = 1,573.20 : x
  2. Step 2: Convert to fraction form
    1,660.68/2,294.07 = 1,573.20/x
  3. Step 3: Cross multiply
    1,660.68x = 2,294.07 × 1,573.20
  4. Step 4: Simplify right side
    1,660.68x = 3,609,030.92
  5. Step 5: Solve for x
    x = 3,609,030.92/1,660.68
  6. Step 6: Final answer
    x = 2,173.22

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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.