Home / 1,617.60-2,423.64-1,269.48

Finding the Fourth Proportional to 1,617.60, 2,423.64 and 1,269.48

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Solution

The fourth proportional to 1,617.60, 2,423.64 and 1,269.48 is: 1,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.60 : 2,423.64 = 1,269.48 : x
  2. Step 2: Convert to fraction form
    1,617.60/2,423.64 = 1,269.48/x
  3. Step 3: Cross multiply
    1,617.60x = 2,423.64 × 1,269.48
  4. Step 4: Simplify right side
    1,617.60x = 3,076,762.51
  5. Step 5: Solve for x
    x = 3,076,762.51/1,617.60
  6. Step 6: Final answer
    x = 1,902.05

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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.