Home / 2,403.60-3,316.93-1,355.64

Finding the Fourth Proportional to 2,403.60, 3,316.93 and 1,355.64

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Solution

The fourth proportional to 2,403.60, 3,316.93 and 1,355.64 is: 1,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.60 : 3,316.93 = 1,355.64 : x
  2. Step 2: Convert to fraction form
    2,403.60/3,316.93 = 1,355.64/x
  3. Step 3: Cross multiply
    2,403.60x = 3,316.93 × 1,355.64
  4. Step 4: Simplify right side
    2,403.60x = 4,496,562.99
  5. Step 5: Solve for x
    x = 4,496,562.99/2,403.60
  6. Step 6: Final answer
    x = 1,870.76

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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.