Home / 2,070.25-2,857.56-1,650.45

Finding the Fourth Proportional to 2,070.25, 2,857.56 and 1,650.45

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Solution

The fourth proportional to 2,070.25, 2,857.56 and 1,650.45 is: 2,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.25 : 2,857.56 = 1,650.45 : x
  2. Step 2: Convert to fraction form
    2,070.25/2,857.56 = 1,650.45/x
  3. Step 3: Cross multiply
    2,070.25x = 2,857.56 × 1,650.45
  4. Step 4: Simplify right side
    2,070.25x = 4,716,259.90
  5. Step 5: Solve for x
    x = 4,716,259.90/2,070.25
  6. Step 6: Final answer
    x = 2,278.11

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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.