Home / 2,641.12-3,643.92-1,757.07

Finding the Fourth Proportional to 2,641.12, 3,643.92 and 1,757.07

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Solution

The fourth proportional to 2,641.12, 3,643.92 and 1,757.07 is: 2,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.12 : 3,643.92 = 1,757.07 : x
  2. Step 2: Convert to fraction form
    2,641.12/3,643.92 = 1,757.07/x
  3. Step 3: Cross multiply
    2,641.12x = 3,643.92 × 1,757.07
  4. Step 4: Simplify right side
    2,641.12x = 6,402,622.51
  5. Step 5: Solve for x
    x = 6,402,622.51/2,641.12
  6. Step 6: Final answer
    x = 2,424.21

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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.