Home / 2,348.24-3,518.39-1,420.99

Finding the Fourth Proportional to 2,348.24, 3,518.39 and 1,420.99

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Solution

The fourth proportional to 2,348.24, 3,518.39 and 1,420.99 is: 2,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.24 : 3,518.39 = 1,420.99 : x
  2. Step 2: Convert to fraction form
    2,348.24/3,518.39 = 1,420.99/x
  3. Step 3: Cross multiply
    2,348.24x = 3,518.39 × 1,420.99
  4. Step 4: Simplify right side
    2,348.24x = 4,999,603.56
  5. Step 5: Solve for x
    x = 4,999,603.56/2,348.24
  6. Step 6: Final answer
    x = 2,129.08

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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.