Home / 1,325.77-1,983.93-1,154.28

Finding the Fourth Proportional to 1,325.77, 1,983.93 and 1,154.28

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Solution

The fourth proportional to 1,325.77, 1,983.93 and 1,154.28 is: 1,727.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.77 : 1,983.93 = 1,154.28 : x
  2. Step 2: Convert to fraction form
    1,325.77/1,983.93 = 1,154.28/x
  3. Step 3: Cross multiply
    1,325.77x = 1,983.93 × 1,154.28
  4. Step 4: Simplify right side
    1,325.77x = 2,290,013.83
  5. Step 5: Solve for x
    x = 2,290,013.83/1,325.77
  6. Step 6: Final answer
    x = 1,727.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.