Home / 2,857.02-4,282.65-1,883.58

Finding the Fourth Proportional to 2,857.02, 4,282.65 and 1,883.58

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Solution

The fourth proportional to 2,857.02, 4,282.65 and 1,883.58 is: 2,823.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.02 : 4,282.65 = 1,883.58 : x
  2. Step 2: Convert to fraction form
    2,857.02/4,282.65 = 1,883.58/x
  3. Step 3: Cross multiply
    2,857.02x = 4,282.65 × 1,883.58
  4. Step 4: Simplify right side
    2,857.02x = 8,066,713.89
  5. Step 5: Solve for x
    x = 8,066,713.89/2,857.02
  6. Step 6: Final answer
    x = 2,823.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.