Home / 2,403.36-3,316.64-1,355.52

Finding the Fourth Proportional to 2,403.36, 3,316.64 and 1,355.52

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Solution

The fourth proportional to 2,403.36, 3,316.64 and 1,355.52 is: 1,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.36 : 3,316.64 = 1,355.52 : x
  2. Step 2: Convert to fraction form
    2,403.36/3,316.64 = 1,355.52/x
  3. Step 3: Cross multiply
    2,403.36x = 3,316.64 × 1,355.52
  4. Step 4: Simplify right side
    2,403.36x = 4,495,771.85
  5. Step 5: Solve for x
    x = 4,495,771.85/2,403.36
  6. Step 6: Final answer
    x = 1,870.62

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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.