Home / 2,900.09-4,350.74-1,440.06

Finding the Fourth Proportional to 2,900.09, 4,350.74 and 1,440.06

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Solution

The fourth proportional to 2,900.09, 4,350.74 and 1,440.06 is: 2,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.09 : 4,350.74 = 1,440.06 : x
  2. Step 2: Convert to fraction form
    2,900.09/4,350.74 = 1,440.06/x
  3. Step 3: Cross multiply
    2,900.09x = 4,350.74 × 1,440.06
  4. Step 4: Simplify right side
    2,900.09x = 6,265,319.44
  5. Step 5: Solve for x
    x = 6,265,319.44/2,900.09
  6. Step 6: Final answer
    x = 2,160.39

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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.