Home / 3,290.81-4,541.40-1,798.86

Finding the Fourth Proportional to 3,290.81, 4,541.40 and 1,798.86

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Solution

The fourth proportional to 3,290.81, 4,541.40 and 1,798.86 is: 2,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.81 : 4,541.40 = 1,798.86 : x
  2. Step 2: Convert to fraction form
    3,290.81/4,541.40 = 1,798.86/x
  3. Step 3: Cross multiply
    3,290.81x = 4,541.40 × 1,798.86
  4. Step 4: Simplify right side
    3,290.81x = 8,169,342.80
  5. Step 5: Solve for x
    x = 8,169,342.80/3,290.81
  6. Step 6: Final answer
    x = 2,482.48

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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.