Home / 3,458.80-4,773.09-1,886.86

Finding the Fourth Proportional to 3,458.80, 4,773.09 and 1,886.86

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Solution

The fourth proportional to 3,458.80, 4,773.09 and 1,886.86 is: 2,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.80 : 4,773.09 = 1,886.86 : x
  2. Step 2: Convert to fraction form
    3,458.80/4,773.09 = 1,886.86/x
  3. Step 3: Cross multiply
    3,458.80x = 4,773.09 × 1,886.86
  4. Step 4: Simplify right side
    3,458.80x = 9,006,152.60
  5. Step 5: Solve for x
    x = 9,006,152.60/3,458.80
  6. Step 6: Final answer
    x = 2,603.84

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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.