Home / 1,417.24-2,125.32-551.26

Finding the Fourth Proportional to 1,417.24, 2,125.32 and 551.26

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Solution

The fourth proportional to 1,417.24, 2,125.32 and 551.26 is: 826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.24 : 2,125.32 = 551.26 : x
  2. Step 2: Convert to fraction form
    1,417.24/2,125.32 = 551.26/x
  3. Step 3: Cross multiply
    1,417.24x = 2,125.32 × 551.26
  4. Step 4: Simplify right side
    1,417.24x = 1,171,603.90
  5. Step 5: Solve for x
    x = 1,171,603.90/1,417.24
  6. Step 6: Final answer
    x = 826.68

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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.