Home / 2,833.02-3,904.12-1,887.74

Finding the Fourth Proportional to 2,833.02, 3,904.12 and 1,887.74

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Solution

The fourth proportional to 2,833.02, 3,904.12 and 1,887.74 is: 2,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.02 : 3,904.12 = 1,887.74 : x
  2. Step 2: Convert to fraction form
    2,833.02/3,904.12 = 1,887.74/x
  3. Step 3: Cross multiply
    2,833.02x = 3,904.12 × 1,887.74
  4. Step 4: Simplify right side
    2,833.02x = 7,369,963.49
  5. Step 5: Solve for x
    x = 7,369,963.49/2,833.02
  6. Step 6: Final answer
    x = 2,601.45

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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.