Home / 1,568.80-2,160.01-1,332.25

Finding the Fourth Proportional to 1,568.80, 2,160.01 and 1,332.25

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Solution

The fourth proportional to 1,568.80, 2,160.01 and 1,332.25 is: 1,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.80 : 2,160.01 = 1,332.25 : x
  2. Step 2: Convert to fraction form
    1,568.80/2,160.01 = 1,332.25/x
  3. Step 3: Cross multiply
    1,568.80x = 2,160.01 × 1,332.25
  4. Step 4: Simplify right side
    1,568.80x = 2,877,673.32
  5. Step 5: Solve for x
    x = 2,877,673.32/1,568.80
  6. Step 6: Final answer
    x = 1,834.31

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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.