Home / 1,647.15-2,465.93-1,294.35

Finding the Fourth Proportional to 1,647.15, 2,465.93 and 1,294.35

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Solution

The fourth proportional to 1,647.15, 2,465.93 and 1,294.35 is: 1,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.15 : 2,465.93 = 1,294.35 : x
  2. Step 2: Convert to fraction form
    1,647.15/2,465.93 = 1,294.35/x
  3. Step 3: Cross multiply
    1,647.15x = 2,465.93 × 1,294.35
  4. Step 4: Simplify right side
    1,647.15x = 3,191,770.02
  5. Step 5: Solve for x
    x = 3,191,770.02/1,647.15
  6. Step 6: Final answer
    x = 1,937.75

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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.