Home / 3,509.09-5,266.67-1,430.24

Finding the Fourth Proportional to 3,509.09, 5,266.67 and 1,430.24

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Solution

The fourth proportional to 3,509.09, 5,266.67 and 1,430.24 is: 2,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.09 : 5,266.67 = 1,430.24 : x
  2. Step 2: Convert to fraction form
    3,509.09/5,266.67 = 1,430.24/x
  3. Step 3: Cross multiply
    3,509.09x = 5,266.67 × 1,430.24
  4. Step 4: Simplify right side
    3,509.09x = 7,532,594.95
  5. Step 5: Solve for x
    x = 7,532,594.95/3,509.09
  6. Step 6: Final answer
    x = 2,146.59

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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.