Home / 1,679.04-2,316.35-1,015.50

Finding the Fourth Proportional to 1,679.04, 2,316.35 and 1,015.50

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Solution

The fourth proportional to 1,679.04, 2,316.35 and 1,015.50 is: 1,400.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.04 : 2,316.35 = 1,015.50 : x
  2. Step 2: Convert to fraction form
    1,679.04/2,316.35 = 1,015.50/x
  3. Step 3: Cross multiply
    1,679.04x = 2,316.35 × 1,015.50
  4. Step 4: Simplify right side
    1,679.04x = 2,352,253.43
  5. Step 5: Solve for x
    x = 2,352,253.43/1,679.04
  6. Step 6: Final answer
    x = 1,400.95

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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.