Home / 2,913.54-4,019.49-1,851.63

Finding the Fourth Proportional to 2,913.54, 4,019.49 and 1,851.63

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Solution

The fourth proportional to 2,913.54, 4,019.49 and 1,851.63 is: 2,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.54 : 4,019.49 = 1,851.63 : x
  2. Step 2: Convert to fraction form
    2,913.54/4,019.49 = 1,851.63/x
  3. Step 3: Cross multiply
    2,913.54x = 4,019.49 × 1,851.63
  4. Step 4: Simplify right side
    2,913.54x = 7,442,608.27
  5. Step 5: Solve for x
    x = 7,442,608.27/2,913.54
  6. Step 6: Final answer
    x = 2,554.49

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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.