Home / 2,407.60-3,608.70-1,237.15

Finding the Fourth Proportional to 2,407.60, 3,608.70 and 1,237.15

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Solution

The fourth proportional to 2,407.60, 3,608.70 and 1,237.15 is: 1,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.60 : 3,608.70 = 1,237.15 : x
  2. Step 2: Convert to fraction form
    2,407.60/3,608.70 = 1,237.15/x
  3. Step 3: Cross multiply
    2,407.60x = 3,608.70 × 1,237.15
  4. Step 4: Simplify right side
    2,407.60x = 4,464,503.21
  5. Step 5: Solve for x
    x = 4,464,503.21/2,407.60
  6. Step 6: Final answer
    x = 1,854.34

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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.