Home / 2,858.06-3,943.95-1,810.46

Finding the Fourth Proportional to 2,858.06, 3,943.95 and 1,810.46

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Solution

The fourth proportional to 2,858.06, 3,943.95 and 1,810.46 is: 2,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.06 : 3,943.95 = 1,810.46 : x
  2. Step 2: Convert to fraction form
    2,858.06/3,943.95 = 1,810.46/x
  3. Step 3: Cross multiply
    2,858.06x = 3,943.95 × 1,810.46
  4. Step 4: Simplify right side
    2,858.06x = 7,140,363.72
  5. Step 5: Solve for x
    x = 7,140,363.72/2,858.06
  6. Step 6: Final answer
    x = 2,498.33

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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.