Home / 2,070.62-2,857.80-1,599.20

Finding the Fourth Proportional to 2,070.62, 2,857.80 and 1,599.20

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Solution

The fourth proportional to 2,070.62, 2,857.80 and 1,599.20 is: 2,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.62 : 2,857.80 = 1,599.20 : x
  2. Step 2: Convert to fraction form
    2,070.62/2,857.80 = 1,599.20/x
  3. Step 3: Cross multiply
    2,070.62x = 2,857.80 × 1,599.20
  4. Step 4: Simplify right side
    2,070.62x = 4,570,193.76
  5. Step 5: Solve for x
    x = 4,570,193.76/2,070.62
  6. Step 6: Final answer
    x = 2,207.16

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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.