Home / 2,905.26-4,358.60-1,056.50

Finding the Fourth Proportional to 2,905.26, 4,358.60 and 1,056.50

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Solution

The fourth proportional to 2,905.26, 4,358.60 and 1,056.50 is: 1,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.26 : 4,358.60 = 1,056.50 : x
  2. Step 2: Convert to fraction form
    2,905.26/4,358.60 = 1,056.50/x
  3. Step 3: Cross multiply
    2,905.26x = 4,358.60 × 1,056.50
  4. Step 4: Simplify right side
    2,905.26x = 4,604,860.90
  5. Step 5: Solve for x
    x = 4,604,860.90/2,905.26
  6. Step 6: Final answer
    x = 1,585.01

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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.