Home / 2,845.68-3,925.93-1,726.21

Finding the Fourth Proportional to 2,845.68, 3,925.93 and 1,726.21

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Solution

The fourth proportional to 2,845.68, 3,925.93 and 1,726.21 is: 2,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.68 : 3,925.93 = 1,726.21 : x
  2. Step 2: Convert to fraction form
    2,845.68/3,925.93 = 1,726.21/x
  3. Step 3: Cross multiply
    2,845.68x = 3,925.93 × 1,726.21
  4. Step 4: Simplify right side
    2,845.68x = 6,776,979.63
  5. Step 5: Solve for x
    x = 6,776,979.63/2,845.68
  6. Step 6: Final answer
    x = 2,381.50

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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.