Home / 2,152.40-3,228.96-1,056.62

Finding the Fourth Proportional to 2,152.40, 3,228.96 and 1,056.62

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Solution

The fourth proportional to 2,152.40, 3,228.96 and 1,056.62 is: 1,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.40 : 3,228.96 = 1,056.62 : x
  2. Step 2: Convert to fraction form
    2,152.40/3,228.96 = 1,056.62/x
  3. Step 3: Cross multiply
    2,152.40x = 3,228.96 × 1,056.62
  4. Step 4: Simplify right side
    2,152.40x = 3,411,783.72
  5. Step 5: Solve for x
    x = 3,411,783.72/2,152.40
  6. Step 6: Final answer
    x = 1,585.11

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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.