Home / 3,290.58-4,541.12-1,798.60

Finding the Fourth Proportional to 3,290.58, 4,541.12 and 1,798.60

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Solution

The fourth proportional to 3,290.58, 4,541.12 and 1,798.60 is: 2,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.58 : 4,541.12 = 1,798.60 : x
  2. Step 2: Convert to fraction form
    3,290.58/4,541.12 = 1,798.60/x
  3. Step 3: Cross multiply
    3,290.58x = 4,541.12 × 1,798.60
  4. Step 4: Simplify right side
    3,290.58x = 8,167,651.58
  5. Step 5: Solve for x
    x = 8,167,651.58/3,290.58
  6. Step 6: Final answer
    x = 2,482.13

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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.