Home / 3,367.91-4,647.60-1,875.77

Finding the Fourth Proportional to 3,367.91, 4,647.60 and 1,875.77

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Solution

The fourth proportional to 3,367.91, 4,647.60 and 1,875.77 is: 2,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.91 : 4,647.60 = 1,875.77 : x
  2. Step 2: Convert to fraction form
    3,367.91/4,647.60 = 1,875.77/x
  3. Step 3: Cross multiply
    3,367.91x = 4,647.60 × 1,875.77
  4. Step 4: Simplify right side
    3,367.91x = 8,717,840.27
  5. Step 5: Solve for x
    x = 8,717,840.27/3,367.91
  6. Step 6: Final answer
    x = 2,588.51

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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.