Home / 1,607.64-2,216.68-1,180.32

Finding the Fourth Proportional to 1,607.64, 2,216.68 and 1,180.32

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Solution

The fourth proportional to 1,607.64, 2,216.68 and 1,180.32 is: 1,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.64 : 2,216.68 = 1,180.32 : x
  2. Step 2: Convert to fraction form
    1,607.64/2,216.68 = 1,180.32/x
  3. Step 3: Cross multiply
    1,607.64x = 2,216.68 × 1,180.32
  4. Step 4: Simplify right side
    1,607.64x = 2,616,391.74
  5. Step 5: Solve for x
    x = 2,616,391.74/1,607.64
  6. Step 6: Final answer
    x = 1,627.47

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1.5x scale

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.