Home / 2,959.55-4,085.66-1,840.85

Finding the Fourth Proportional to 2,959.55, 4,085.66 and 1,840.85

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Solution

The fourth proportional to 2,959.55, 4,085.66 and 1,840.85 is: 2,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.55 : 4,085.66 = 1,840.85 : x
  2. Step 2: Convert to fraction form
    2,959.55/4,085.66 = 1,840.85/x
  3. Step 3: Cross multiply
    2,959.55x = 4,085.66 × 1,840.85
  4. Step 4: Simplify right side
    2,959.55x = 7,521,076.35
  5. Step 5: Solve for x
    x = 7,521,076.35/2,959.55
  6. Step 6: Final answer
    x = 2,541.29

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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.