Home / 2,428.86-3,638.01-1,504.65

Finding the Fourth Proportional to 2,428.86, 3,638.01 and 1,504.65

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Solution

The fourth proportional to 2,428.86, 3,638.01 and 1,504.65 is: 2,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.86 : 3,638.01 = 1,504.65 : x
  2. Step 2: Convert to fraction form
    2,428.86/3,638.01 = 1,504.65/x
  3. Step 3: Cross multiply
    2,428.86x = 3,638.01 × 1,504.65
  4. Step 4: Simplify right side
    2,428.86x = 5,473,931.75
  5. Step 5: Solve for x
    x = 5,473,931.75/2,428.86
  6. Step 6: Final answer
    x = 2,253.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.