Home / 2,901.96-4,004.36-1,643.16

Finding the Fourth Proportional to 2,901.96, 4,004.36 and 1,643.16

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Solution

The fourth proportional to 2,901.96, 4,004.36 and 1,643.16 is: 2,267.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.96 : 4,004.36 = 1,643.16 : x
  2. Step 2: Convert to fraction form
    2,901.96/4,004.36 = 1,643.16/x
  3. Step 3: Cross multiply
    2,901.96x = 4,004.36 × 1,643.16
  4. Step 4: Simplify right side
    2,901.96x = 6,579,804.18
  5. Step 5: Solve for x
    x = 6,579,804.18/2,901.96
  6. Step 6: Final answer
    x = 2,267.37

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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.