Home / 1,477.63-2,217.32-1,326.36

Finding the Fourth Proportional to 1,477.63, 2,217.32 and 1,326.36

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Solution

The fourth proportional to 1,477.63, 2,217.32 and 1,326.36 is: 1,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.63 : 2,217.32 = 1,326.36 : x
  2. Step 2: Convert to fraction form
    1,477.63/2,217.32 = 1,326.36/x
  3. Step 3: Cross multiply
    1,477.63x = 2,217.32 × 1,326.36
  4. Step 4: Simplify right side
    1,477.63x = 2,940,966.20
  5. Step 5: Solve for x
    x = 2,940,966.20/1,477.63
  6. Step 6: Final answer
    x = 1,990.33

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1.5x scale

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.