Home / 1,557.64-2,336.43-403.36

Finding the Fourth Proportional to 1,557.64, 2,336.43 and 403.36

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Solution

The fourth proportional to 1,557.64, 2,336.43 and 403.36 is: 605.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.64 : 2,336.43 = 403.36 : x
  2. Step 2: Convert to fraction form
    1,557.64/2,336.43 = 403.36/x
  3. Step 3: Cross multiply
    1,557.64x = 2,336.43 × 403.36
  4. Step 4: Simplify right side
    1,557.64x = 942,422.40
  5. Step 5: Solve for x
    x = 942,422.40/1,557.64
  6. Step 6: Final answer
    x = 605.03

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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.