Home / 1,840.25-2,539.56-1,000.95

Finding the Fourth Proportional to 1,840.25, 2,539.56 and 1,000.95

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Solution

The fourth proportional to 1,840.25, 2,539.56 and 1,000.95 is: 1,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.25 : 2,539.56 = 1,000.95 : x
  2. Step 2: Convert to fraction form
    1,840.25/2,539.56 = 1,000.95/x
  3. Step 3: Cross multiply
    1,840.25x = 2,539.56 × 1,000.95
  4. Step 4: Simplify right side
    1,840.25x = 2,541,972.58
  5. Step 5: Solve for x
    x = 2,541,972.58/1,840.25
  6. Step 6: Final answer
    x = 1,381.32

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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.