Home / 1,919.82-2,646.60-1,477.02

Finding the Fourth Proportional to 1,919.82, 2,646.60 and 1,477.02

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Solution

The fourth proportional to 1,919.82, 2,646.60 and 1,477.02 is: 2,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.82 : 2,646.60 = 1,477.02 : x
  2. Step 2: Convert to fraction form
    1,919.82/2,646.60 = 1,477.02/x
  3. Step 3: Cross multiply
    1,919.82x = 2,646.60 × 1,477.02
  4. Step 4: Simplify right side
    1,919.82x = 3,909,081.13
  5. Step 5: Solve for x
    x = 3,909,081.13/1,919.82
  6. Step 6: Final answer
    x = 2,036.17

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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.