Home / 2,403.64-3,318.90-1,881.16

Finding the Fourth Proportional to 2,403.64, 3,318.90 and 1,881.16

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Solution

The fourth proportional to 2,403.64, 3,318.90 and 1,881.16 is: 2,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.64 : 3,318.90 = 1,881.16 : x
  2. Step 2: Convert to fraction form
    2,403.64/3,318.90 = 1,881.16/x
  3. Step 3: Cross multiply
    2,403.64x = 3,318.90 × 1,881.16
  4. Step 4: Simplify right side
    2,403.64x = 6,243,381.92
  5. Step 5: Solve for x
    x = 6,243,381.92/2,403.64
  6. Step 6: Final answer
    x = 2,597.47

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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.