Home / 3,810.51-5,260.75-2,858.63

Finding the Fourth Proportional to 3,810.51, 5,260.75 and 2,858.63

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Solution

The fourth proportional to 3,810.51, 5,260.75 and 2,858.63 is: 3,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.51 : 5,260.75 = 2,858.63 : x
  2. Step 2: Convert to fraction form
    3,810.51/5,260.75 = 2,858.63/x
  3. Step 3: Cross multiply
    3,810.51x = 5,260.75 × 2,858.63
  4. Step 4: Simplify right side
    3,810.51x = 15,038,504.32
  5. Step 5: Solve for x
    x = 15,038,504.32/3,810.51
  6. Step 6: Final answer
    x = 3,946.59

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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.