Home / 3,430.95-5,146.21-1,675.27

Finding the Fourth Proportional to 3,430.95, 5,146.21 and 1,675.27

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Solution

The fourth proportional to 3,430.95, 5,146.21 and 1,675.27 is: 2,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.95 : 5,146.21 = 1,675.27 : x
  2. Step 2: Convert to fraction form
    3,430.95/5,146.21 = 1,675.27/x
  3. Step 3: Cross multiply
    3,430.95x = 5,146.21 × 1,675.27
  4. Step 4: Simplify right side
    3,430.95x = 8,621,291.23
  5. Step 5: Solve for x
    x = 8,621,291.23/3,430.95
  6. Step 6: Final answer
    x = 2,512.80

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1.5x scale

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.