Home / 2,907.86-4,013.80-1,846.34

Finding the Fourth Proportional to 2,907.86, 4,013.80 and 1,846.34

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Solution

The fourth proportional to 2,907.86, 4,013.80 and 1,846.34 is: 2,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.86 : 4,013.80 = 1,846.34 : x
  2. Step 2: Convert to fraction form
    2,907.86/4,013.80 = 1,846.34/x
  3. Step 3: Cross multiply
    2,907.86x = 4,013.80 × 1,846.34
  4. Step 4: Simplify right side
    2,907.86x = 7,410,839.49
  5. Step 5: Solve for x
    x = 7,410,839.49/2,907.86
  6. Step 6: Final answer
    x = 2,548.55

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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.