Home / 1,839.95-2,539.16-1,000.68

Finding the Fourth Proportional to 1,839.95, 2,539.16 and 1,000.68

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Solution

The fourth proportional to 1,839.95, 2,539.16 and 1,000.68 is: 1,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.95 : 2,539.16 = 1,000.68 : x
  2. Step 2: Convert to fraction form
    1,839.95/2,539.16 = 1,000.68/x
  3. Step 3: Cross multiply
    1,839.95x = 2,539.16 × 1,000.68
  4. Step 4: Simplify right side
    1,839.95x = 2,540,886.63
  5. Step 5: Solve for x
    x = 2,540,886.63/1,839.95
  6. Step 6: Final answer
    x = 1,380.95

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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.