Home / 3,455.03-4,729.80-3,430.33

Finding the Fourth Proportional to 3,455.03, 4,729.80 and 3,430.33

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Solution

The fourth proportional to 3,455.03, 4,729.80 and 3,430.33 is: 4,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.03 : 4,729.80 = 3,430.33 : x
  2. Step 2: Convert to fraction form
    3,455.03/4,729.80 = 3,430.33/x
  3. Step 3: Cross multiply
    3,455.03x = 4,729.80 × 3,430.33
  4. Step 4: Simplify right side
    3,455.03x = 16,224,756.58
  5. Step 5: Solve for x
    x = 16,224,756.58/3,455.03
  6. Step 6: Final answer
    x = 4,695.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.