Home / 1,554.51-2,321.70-1,407.97

Finding the Fourth Proportional to 1,554.51, 2,321.70 and 1,407.97

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Solution

The fourth proportional to 1,554.51, 2,321.70 and 1,407.97 is: 2,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.51 : 2,321.70 = 1,407.97 : x
  2. Step 2: Convert to fraction form
    1,554.51/2,321.70 = 1,407.97/x
  3. Step 3: Cross multiply
    1,554.51x = 2,321.70 × 1,407.97
  4. Step 4: Simplify right side
    1,554.51x = 3,268,878.14
  5. Step 5: Solve for x
    x = 3,268,878.14/1,554.51
  6. Step 6: Final answer
    x = 2,102.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.