Home / 3,430.84-4,734.58-1,858.94

Finding the Fourth Proportional to 3,430.84, 4,734.58 and 1,858.94

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Solution

The fourth proportional to 3,430.84, 4,734.58 and 1,858.94 is: 2,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.84 : 4,734.58 = 1,858.94 : x
  2. Step 2: Convert to fraction form
    3,430.84/4,734.58 = 1,858.94/x
  3. Step 3: Cross multiply
    3,430.84x = 4,734.58 × 1,858.94
  4. Step 4: Simplify right side
    3,430.84x = 8,801,300.15
  5. Step 5: Solve for x
    x = 8,801,300.15/3,430.84
  6. Step 6: Final answer
    x = 2,565.35

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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.