Home / 2,900.41-4,002.55-1,574.11

Finding the Fourth Proportional to 2,900.41, 4,002.55 and 1,574.11

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Solution

The fourth proportional to 2,900.41, 4,002.55 and 1,574.11 is: 2,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.41 : 4,002.55 = 1,574.11 : x
  2. Step 2: Convert to fraction form
    2,900.41/4,002.55 = 1,574.11/x
  3. Step 3: Cross multiply
    2,900.41x = 4,002.55 × 1,574.11
  4. Step 4: Simplify right side
    2,900.41x = 6,300,453.98
  5. Step 5: Solve for x
    x = 6,300,453.98/2,900.41
  6. Step 6: Final answer
    x = 2,172.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.