Home / 1,037.48-1,431.56-617.83

Finding the Fourth Proportional to 1,037.48, 1,431.56 and 617.83

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Solution

The fourth proportional to 1,037.48, 1,431.56 and 617.83 is: 852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.48 : 1,431.56 = 617.83 : x
  2. Step 2: Convert to fraction form
    1,037.48/1,431.56 = 617.83/x
  3. Step 3: Cross multiply
    1,037.48x = 1,431.56 × 617.83
  4. Step 4: Simplify right side
    1,037.48x = 884,455.21
  5. Step 5: Solve for x
    x = 884,455.21/1,037.48
  6. Step 6: Final answer
    x = 852.51

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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.