Home / 1,556.23-2,148.51-967.09

Finding the Fourth Proportional to 1,556.23, 2,148.51 and 967.09

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Solution

The fourth proportional to 1,556.23, 2,148.51 and 967.09 is: 1,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.23 : 2,148.51 = 967.09 : x
  2. Step 2: Convert to fraction form
    1,556.23/2,148.51 = 967.09/x
  3. Step 3: Cross multiply
    1,556.23x = 2,148.51 × 967.09
  4. Step 4: Simplify right side
    1,556.23x = 2,077,802.54
  5. Step 5: Solve for x
    x = 2,077,802.54/1,556.23
  6. Step 6: Final answer
    x = 1,335.15

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1.5x scale

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.