Home / 1,820.57-2,726.40-846.95

Finding the Fourth Proportional to 1,820.57, 2,726.40 and 846.95

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Solution

The fourth proportional to 1,820.57, 2,726.40 and 846.95 is: 1,268.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.57 : 2,726.40 = 846.95 : x
  2. Step 2: Convert to fraction form
    1,820.57/2,726.40 = 846.95/x
  3. Step 3: Cross multiply
    1,820.57x = 2,726.40 × 846.95
  4. Step 4: Simplify right side
    1,820.57x = 2,309,124.48
  5. Step 5: Solve for x
    x = 2,309,124.48/1,820.57
  6. Step 6: Final answer
    x = 1,268.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.