Home / 1,325.43-1,829.09-801.46

Finding the Fourth Proportional to 1,325.43, 1,829.09 and 801.46

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Solution

The fourth proportional to 1,325.43, 1,829.09 and 801.46 is: 1,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.43 : 1,829.09 = 801.46 : x
  2. Step 2: Convert to fraction form
    1,325.43/1,829.09 = 801.46/x
  3. Step 3: Cross multiply
    1,325.43x = 1,829.09 × 801.46
  4. Step 4: Simplify right side
    1,325.43x = 1,465,935.10
  5. Step 5: Solve for x
    x = 1,465,935.10/1,325.43
  6. Step 6: Final answer
    x = 1,106.01

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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.