Home / 3,070.72-4,605.36-1,509.12

Finding the Fourth Proportional to 3,070.72, 4,605.36 and 1,509.12

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Solution

The fourth proportional to 3,070.72, 4,605.36 and 1,509.12 is: 2,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.72 : 4,605.36 = 1,509.12 : x
  2. Step 2: Convert to fraction form
    3,070.72/4,605.36 = 1,509.12/x
  3. Step 3: Cross multiply
    3,070.72x = 4,605.36 × 1,509.12
  4. Step 4: Simplify right side
    3,070.72x = 6,950,040.88
  5. Step 5: Solve for x
    x = 6,950,040.88/3,070.72
  6. Step 6: Final answer
    x = 2,263.33

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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.