Home / 1,972.02-2,945.46-1,784.11

Finding the Fourth Proportional to 1,972.02, 2,945.46 and 1,784.11

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Solution

The fourth proportional to 1,972.02, 2,945.46 and 1,784.11 is: 2,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.02 : 2,945.46 = 1,784.11 : x
  2. Step 2: Convert to fraction form
    1,972.02/2,945.46 = 1,784.11/x
  3. Step 3: Cross multiply
    1,972.02x = 2,945.46 × 1,784.11
  4. Step 4: Simplify right side
    1,972.02x = 5,255,032.00
  5. Step 5: Solve for x
    x = 5,255,032.00/1,972.02
  6. Step 6: Final answer
    x = 2,664.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.