Home / 2,070.13-2,857.27-1,186.44

Finding the Fourth Proportional to 2,070.13, 2,857.27 and 1,186.44

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Solution

The fourth proportional to 2,070.13, 2,857.27 and 1,186.44 is: 1,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.13 : 2,857.27 = 1,186.44 : x
  2. Step 2: Convert to fraction form
    2,070.13/2,857.27 = 1,186.44/x
  3. Step 3: Cross multiply
    2,070.13x = 2,857.27 × 1,186.44
  4. Step 4: Simplify right side
    2,070.13x = 3,389,979.42
  5. Step 5: Solve for x
    x = 3,389,979.42/2,070.13
  6. Step 6: Final answer
    x = 1,637.57

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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.