Home / 2,403.34-3,316.54-1,355.38

Finding the Fourth Proportional to 2,403.34, 3,316.54 and 1,355.38

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Solution

The fourth proportional to 2,403.34, 3,316.54 and 1,355.38 is: 1,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.34 : 3,316.54 = 1,355.38 : x
  2. Step 2: Convert to fraction form
    2,403.34/3,316.54 = 1,355.38/x
  3. Step 3: Cross multiply
    2,403.34x = 3,316.54 × 1,355.38
  4. Step 4: Simplify right side
    2,403.34x = 4,495,171.99
  5. Step 5: Solve for x
    x = 4,495,171.99/2,403.34
  6. Step 6: Final answer
    x = 1,870.39

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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.