Home / 2,365.69-3,548.08-1,390.66

Finding the Fourth Proportional to 2,365.69, 3,548.08 and 1,390.66

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Solution

The fourth proportional to 2,365.69, 3,548.08 and 1,390.66 is: 2,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.69 : 3,548.08 = 1,390.66 : x
  2. Step 2: Convert to fraction form
    2,365.69/3,548.08 = 1,390.66/x
  3. Step 3: Cross multiply
    2,365.69x = 3,548.08 × 1,390.66
  4. Step 4: Simplify right side
    2,365.69x = 4,934,172.93
  5. Step 5: Solve for x
    x = 4,934,172.93/2,365.69
  6. Step 6: Final answer
    x = 2,085.72

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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.