Home / 2,070.74-2,857.65-1,232.06

Finding the Fourth Proportional to 2,070.74, 2,857.65 and 1,232.06

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Solution

The fourth proportional to 2,070.74, 2,857.65 and 1,232.06 is: 1,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.74 : 2,857.65 = 1,232.06 : x
  2. Step 2: Convert to fraction form
    2,070.74/2,857.65 = 1,232.06/x
  3. Step 3: Cross multiply
    2,070.74x = 2,857.65 × 1,232.06
  4. Step 4: Simplify right side
    2,070.74x = 3,520,796.26
  5. Step 5: Solve for x
    x = 3,520,796.26/2,070.74
  6. Step 6: Final answer
    x = 1,700.26

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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.