Home / 2,810.76-4,216.44-1,056.60

Finding the Fourth Proportional to 2,810.76, 4,216.44 and 1,056.60

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Solution

The fourth proportional to 2,810.76, 4,216.44 and 1,056.60 is: 1,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.76 : 4,216.44 = 1,056.60 : x
  2. Step 2: Convert to fraction form
    2,810.76/4,216.44 = 1,056.60/x
  3. Step 3: Cross multiply
    2,810.76x = 4,216.44 × 1,056.60
  4. Step 4: Simplify right side
    2,810.76x = 4,455,090.50
  5. Step 5: Solve for x
    x = 4,455,090.50/2,810.76
  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.