Home / 3,440.96-4,748.52-1,869.05

Finding the Fourth Proportional to 3,440.96, 4,748.52 and 1,869.05

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Solution

The fourth proportional to 3,440.96, 4,748.52 and 1,869.05 is: 2,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.96 : 4,748.52 = 1,869.05 : x
  2. Step 2: Convert to fraction form
    3,440.96/4,748.52 = 1,869.05/x
  3. Step 3: Cross multiply
    3,440.96x = 4,748.52 × 1,869.05
  4. Step 4: Simplify right side
    3,440.96x = 8,875,204.76
  5. Step 5: Solve for x
    x = 8,875,204.76/3,440.96
  6. Step 6: Final answer
    x = 2,579.29

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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.