Home / 1,568.52-2,159.87-1,332.81

Finding the Fourth Proportional to 1,568.52, 2,159.87 and 1,332.81

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Solution

The fourth proportional to 1,568.52, 2,159.87 and 1,332.81 is: 1,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.52 : 2,159.87 = 1,332.81 : x
  2. Step 2: Convert to fraction form
    1,568.52/2,159.87 = 1,332.81/x
  3. Step 3: Cross multiply
    1,568.52x = 2,159.87 × 1,332.81
  4. Step 4: Simplify right side
    1,568.52x = 2,878,689.67
  5. Step 5: Solve for x
    x = 2,878,689.67/1,568.52
  6. Step 6: Final answer
    x = 1,835.29

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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.