Home / 1,851.93-2,556.23-1,478.79

Finding the Fourth Proportional to 1,851.93, 2,556.23 and 1,478.79

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Solution

The fourth proportional to 1,851.93, 2,556.23 and 1,478.79 is: 2,041.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.93 : 2,556.23 = 1,478.79 : x
  2. Step 2: Convert to fraction form
    1,851.93/2,556.23 = 1,478.79/x
  3. Step 3: Cross multiply
    1,851.93x = 2,556.23 × 1,478.79
  4. Step 4: Simplify right side
    1,851.93x = 3,780,119.97
  5. Step 5: Solve for x
    x = 3,780,119.97/1,851.93
  6. Step 6: Final answer
    x = 2,041.18

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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.