Home / 1,605.37-2,403.50-1,050.72

Finding the Fourth Proportional to 1,605.37, 2,403.50 and 1,050.72

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Solution

The fourth proportional to 1,605.37, 2,403.50 and 1,050.72 is: 1,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.37 : 2,403.50 = 1,050.72 : x
  2. Step 2: Convert to fraction form
    1,605.37/2,403.50 = 1,050.72/x
  3. Step 3: Cross multiply
    1,605.37x = 2,403.50 × 1,050.72
  4. Step 4: Simplify right side
    1,605.37x = 2,525,417.44
  5. Step 5: Solve for x
    x = 2,525,417.44/1,605.37
  6. Step 6: Final answer
    x = 1,573.10

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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.