Home / 1,664.58-2,280.45-1,602.26

Finding the Fourth Proportional to 1,664.58, 2,280.45 and 1,602.26

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Solution

The fourth proportional to 1,664.58, 2,280.45 and 1,602.26 is: 2,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.58 : 2,280.45 = 1,602.26 : x
  2. Step 2: Convert to fraction form
    1,664.58/2,280.45 = 1,602.26/x
  3. Step 3: Cross multiply
    1,664.58x = 2,280.45 × 1,602.26
  4. Step 4: Simplify right side
    1,664.58x = 3,653,879.52
  5. Step 5: Solve for x
    x = 3,653,879.52/1,664.58
  6. Step 6: Final answer
    x = 2,195.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.