Home / 2,900.95-4,003.26-1,574.68

Finding the Fourth Proportional to 2,900.95, 4,003.26 and 1,574.68

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Solution

The fourth proportional to 2,900.95, 4,003.26 and 1,574.68 is: 2,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.95 : 4,003.26 = 1,574.68 : x
  2. Step 2: Convert to fraction form
    2,900.95/4,003.26 = 1,574.68/x
  3. Step 3: Cross multiply
    2,900.95x = 4,003.26 × 1,574.68
  4. Step 4: Simplify right side
    2,900.95x = 6,303,853.46
  5. Step 5: Solve for x
    x = 6,303,853.46/2,900.95
  6. Step 6: Final answer
    x = 2,173.03

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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.