Home / 3,360.96-4,638.41-1,869.35

Finding the Fourth Proportional to 3,360.96, 4,638.41 and 1,869.35

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Solution

The fourth proportional to 3,360.96, 4,638.41 and 1,869.35 is: 2,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.96 : 4,638.41 = 1,869.35 : x
  2. Step 2: Convert to fraction form
    3,360.96/4,638.41 = 1,869.35/x
  3. Step 3: Cross multiply
    3,360.96x = 4,638.41 × 1,869.35
  4. Step 4: Simplify right side
    3,360.96x = 8,670,779.19
  5. Step 5: Solve for x
    x = 8,670,779.19/3,360.96
  6. Step 6: Final answer
    x = 2,579.85

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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.