Home / 1,642.02-2,453.43-1,584.63

Finding the Fourth Proportional to 1,642.02, 2,453.43 and 1,584.63

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Solution

The fourth proportional to 1,642.02, 2,453.43 and 1,584.63 is: 2,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.02 : 2,453.43 = 1,584.63 : x
  2. Step 2: Convert to fraction form
    1,642.02/2,453.43 = 1,584.63/x
  3. Step 3: Cross multiply
    1,642.02x = 2,453.43 × 1,584.63
  4. Step 4: Simplify right side
    1,642.02x = 3,887,778.78
  5. Step 5: Solve for x
    x = 3,887,778.78/1,642.02
  6. Step 6: Final answer
    x = 2,367.68

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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.