Home / 3,159.93-4,360.47-1,815.27

Finding the Fourth Proportional to 3,159.93, 4,360.47 and 1,815.27

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Solution

The fourth proportional to 3,159.93, 4,360.47 and 1,815.27 is: 2,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.93 : 4,360.47 = 1,815.27 : x
  2. Step 2: Convert to fraction form
    3,159.93/4,360.47 = 1,815.27/x
  3. Step 3: Cross multiply
    3,159.93x = 4,360.47 × 1,815.27
  4. Step 4: Simplify right side
    3,159.93x = 7,915,408.57
  5. Step 5: Solve for x
    x = 7,915,408.57/3,159.93
  6. Step 6: Final answer
    x = 2,504.93

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1.5x scale

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.