Home / 2,687.40-4,030.94-1,598.69

Finding the Fourth Proportional to 2,687.40, 4,030.94 and 1,598.69

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Solution

The fourth proportional to 2,687.40, 4,030.94 and 1,598.69 is: 2,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.40 : 4,030.94 = 1,598.69 : x
  2. Step 2: Convert to fraction form
    2,687.40/4,030.94 = 1,598.69/x
  3. Step 3: Cross multiply
    2,687.40x = 4,030.94 × 1,598.69
  4. Step 4: Simplify right side
    2,687.40x = 6,444,237.54
  5. Step 5: Solve for x
    x = 6,444,237.54/2,687.40
  6. Step 6: Final answer
    x = 2,397.95

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1.5x scale

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.