Home / 1,523.51-2,278.73-1,412.84

Finding the Fourth Proportional to 1,523.51, 2,278.73 and 1,412.84

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Solution

The fourth proportional to 1,523.51, 2,278.73 and 1,412.84 is: 2,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.51 : 2,278.73 = 1,412.84 : x
  2. Step 2: Convert to fraction form
    1,523.51/2,278.73 = 1,412.84/x
  3. Step 3: Cross multiply
    1,523.51x = 2,278.73 × 1,412.84
  4. Step 4: Simplify right side
    1,523.51x = 3,219,490.12
  5. Step 5: Solve for x
    x = 3,219,490.12/1,523.51
  6. Step 6: Final answer
    x = 2,113.21

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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.