Home / 3,368.80-4,647.58-2,042.02

Finding the Fourth Proportional to 3,368.80, 4,647.58 and 2,042.02

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Solution

The fourth proportional to 3,368.80, 4,647.58 and 2,042.02 is: 2,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.80 : 4,647.58 = 2,042.02 : x
  2. Step 2: Convert to fraction form
    3,368.80/4,647.58 = 2,042.02/x
  3. Step 3: Cross multiply
    3,368.80x = 4,647.58 × 2,042.02
  4. Step 4: Simplify right side
    3,368.80x = 9,490,451.31
  5. Step 5: Solve for x
    x = 9,490,451.31/3,368.80
  6. Step 6: Final answer
    x = 2,817.16

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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.