Home / 3,290.98-4,541.54-1,798.80

Finding the Fourth Proportional to 3,290.98, 4,541.54 and 1,798.80

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Solution

The fourth proportional to 3,290.98, 4,541.54 and 1,798.80 is: 2,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.98 : 4,541.54 = 1,798.80 : x
  2. Step 2: Convert to fraction form
    3,290.98/4,541.54 = 1,798.80/x
  3. Step 3: Cross multiply
    3,290.98x = 4,541.54 × 1,798.80
  4. Step 4: Simplify right side
    3,290.98x = 8,169,290.45
  5. Step 5: Solve for x
    x = 8,169,290.45/3,290.98
  6. Step 6: Final answer
    x = 2,482.33

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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.