Home / 1,556.17-2,335.07-1,225.08

Finding the Fourth Proportional to 1,556.17, 2,335.07 and 1,225.08

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Solution

The fourth proportional to 1,556.17, 2,335.07 and 1,225.08 is: 1,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.17 : 2,335.07 = 1,225.08 : x
  2. Step 2: Convert to fraction form
    1,556.17/2,335.07 = 1,225.08/x
  3. Step 3: Cross multiply
    1,556.17x = 2,335.07 × 1,225.08
  4. Step 4: Simplify right side
    1,556.17x = 2,860,647.56
  5. Step 5: Solve for x
    x = 2,860,647.56/1,556.17
  6. Step 6: Final answer
    x = 1,838.26

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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.