Home / 1,669.03-2,504.76-1,259.32

Finding the Fourth Proportional to 1,669.03, 2,504.76 and 1,259.32

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Solution

The fourth proportional to 1,669.03, 2,504.76 and 1,259.32 is: 1,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.03 : 2,504.76 = 1,259.32 : x
  2. Step 2: Convert to fraction form
    1,669.03/2,504.76 = 1,259.32/x
  3. Step 3: Cross multiply
    1,669.03x = 2,504.76 × 1,259.32
  4. Step 4: Simplify right side
    1,669.03x = 3,154,294.36
  5. Step 5: Solve for x
    x = 3,154,294.36/1,669.03
  6. Step 6: Final answer
    x = 1,889.90

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1.5x scale

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.