Home / 1,945.52-2,681.73-1,784.63

Finding the Fourth Proportional to 1,945.52, 2,681.73 and 1,784.63

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Solution

The fourth proportional to 1,945.52, 2,681.73 and 1,784.63 is: 2,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.52 : 2,681.73 = 1,784.63 : x
  2. Step 2: Convert to fraction form
    1,945.52/2,681.73 = 1,784.63/x
  3. Step 3: Cross multiply
    1,945.52x = 2,681.73 × 1,784.63
  4. Step 4: Simplify right side
    1,945.52x = 4,785,907.53
  5. Step 5: Solve for x
    x = 4,785,907.53/1,945.52
  6. Step 6: Final answer
    x = 2,459.96

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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.