Home / 1,954.01-2,690.28-1,582.22

Finding the Fourth Proportional to 1,954.01, 2,690.28 and 1,582.22

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Solution

The fourth proportional to 1,954.01, 2,690.28 and 1,582.22 is: 2,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.01 : 2,690.28 = 1,582.22 : x
  2. Step 2: Convert to fraction form
    1,954.01/2,690.28 = 1,582.22/x
  3. Step 3: Cross multiply
    1,954.01x = 2,690.28 × 1,582.22
  4. Step 4: Simplify right side
    1,954.01x = 4,256,614.82
  5. Step 5: Solve for x
    x = 4,256,614.82/1,954.01
  6. Step 6: Final answer
    x = 2,178.40

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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.