Home / 2,070.22-2,857.02-1,186.17

Finding the Fourth Proportional to 2,070.22, 2,857.02 and 1,186.17

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Solution

The fourth proportional to 2,070.22, 2,857.02 and 1,186.17 is: 1,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.22 : 2,857.02 = 1,186.17 : x
  2. Step 2: Convert to fraction form
    2,070.22/2,857.02 = 1,186.17/x
  3. Step 3: Cross multiply
    2,070.22x = 2,857.02 × 1,186.17
  4. Step 4: Simplify right side
    2,070.22x = 3,388,911.41
  5. Step 5: Solve for x
    x = 3,388,911.41/2,070.22
  6. Step 6: Final answer
    x = 1,636.98

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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.