Home / 2,347.51-3,239.33-1,403.11

Finding the Fourth Proportional to 2,347.51, 3,239.33 and 1,403.11

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Solution

The fourth proportional to 2,347.51, 3,239.33 and 1,403.11 is: 1,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.51 : 3,239.33 = 1,403.11 : x
  2. Step 2: Convert to fraction form
    2,347.51/3,239.33 = 1,403.11/x
  3. Step 3: Cross multiply
    2,347.51x = 3,239.33 × 1,403.11
  4. Step 4: Simplify right side
    2,347.51x = 4,545,136.32
  5. Step 5: Solve for x
    x = 4,545,136.32/2,347.51
  6. Step 6: Final answer
    x = 1,936.16

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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.