Home / 2,316.86-3,197.40-1,373.39

Finding the Fourth Proportional to 2,316.86, 3,197.40 and 1,373.39

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Solution

The fourth proportional to 2,316.86, 3,197.40 and 1,373.39 is: 1,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.86 : 3,197.40 = 1,373.39 : x
  2. Step 2: Convert to fraction form
    2,316.86/3,197.40 = 1,373.39/x
  3. Step 3: Cross multiply
    2,316.86x = 3,197.40 × 1,373.39
  4. Step 4: Simplify right side
    2,316.86x = 4,391,277.19
  5. Step 5: Solve for x
    x = 4,391,277.19/2,316.86
  6. Step 6: Final answer
    x = 1,895.36

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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.