Home / 1,401.16-1,930.44-1,153.24

Finding the Fourth Proportional to 1,401.16, 1,930.44 and 1,153.24

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Solution

The fourth proportional to 1,401.16, 1,930.44 and 1,153.24 is: 1,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401.16 : 1,930.44 = 1,153.24 : x
  2. Step 2: Convert to fraction form
    1,401.16/1,930.44 = 1,153.24/x
  3. Step 3: Cross multiply
    1,401.16x = 1,930.44 × 1,153.24
  4. Step 4: Simplify right side
    1,401.16x = 2,226,260.63
  5. Step 5: Solve for x
    x = 2,226,260.63/1,401.16
  6. Step 6: Final answer
    x = 1,588.87

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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.