Home / 1,782.02-2,673.07-1,685.63

Finding the Fourth Proportional to 1,782.02, 2,673.07 and 1,685.63

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Solution

The fourth proportional to 1,782.02, 2,673.07 and 1,685.63 is: 2,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.02 : 2,673.07 = 1,685.63 : x
  2. Step 2: Convert to fraction form
    1,782.02/2,673.07 = 1,685.63/x
  3. Step 3: Cross multiply
    1,782.02x = 2,673.07 × 1,685.63
  4. Step 4: Simplify right side
    1,782.02x = 4,505,809.45
  5. Step 5: Solve for x
    x = 4,505,809.45/1,782.02
  6. Step 6: Final answer
    x = 2,528.48

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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.