Home / 1,556.34-2,335.14-1,531.80

Finding the Fourth Proportional to 1,556.34, 2,335.14 and 1,531.80

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Solution

The fourth proportional to 1,556.34, 2,335.14 and 1,531.80 is: 2,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.34 : 2,335.14 = 1,531.80 : x
  2. Step 2: Convert to fraction form
    1,556.34/2,335.14 = 1,531.80/x
  3. Step 3: Cross multiply
    1,556.34x = 2,335.14 × 1,531.80
  4. Step 4: Simplify right side
    1,556.34x = 3,576,967.45
  5. Step 5: Solve for x
    x = 3,576,967.45/1,556.34
  6. Step 6: Final answer
    x = 2,298.32

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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.