Home / 3,291-4,541.49-1,798.92

Finding the Fourth Proportional to 3,291, 4,541.49 and 1,798.92

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Solution

The fourth proportional to 3,291, 4,541.49 and 1,798.92 is: 2,482.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291 : 4,541.49 = 1,798.92 : x
  2. Step 2: Convert to fraction form
    3,291/4,541.49 = 1,798.92/x
  3. Step 3: Cross multiply
    3,291x = 4,541.49 × 1,798.92
  4. Step 4: Simplify right side
    3,291x = 8,169,777.19
  5. Step 5: Solve for x
    x = 8,169,777.19/3,291
  6. Step 6: Final answer
    x = 2,482.46

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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.