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Finding the Fourth Proportional to 1,599.48, 2,403 and 1,395.36

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Solution

The fourth proportional to 1,599.48, 2,403 and 1,395.36 is: 2,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.48 : 2,403 = 1,395.36 : x
  2. Step 2: Convert to fraction form
    1,599.48/2,403 = 1,395.36/x
  3. Step 3: Cross multiply
    1,599.48x = 2,403 × 1,395.36
  4. Step 4: Simplify right side
    1,599.48x = 3,353,050.08
  5. Step 5: Solve for x
    x = 3,353,050.08/1,599.48
  6. Step 6: Final answer
    x = 2,096.34

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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.