Home / 3,599.10-5,399.70-1,259.32

Finding the Fourth Proportional to 3,599.10, 5,399.70 and 1,259.32

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Solution

The fourth proportional to 3,599.10, 5,399.70 and 1,259.32 is: 1,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.10 : 5,399.70 = 1,259.32 : x
  2. Step 2: Convert to fraction form
    3,599.10/5,399.70 = 1,259.32/x
  3. Step 3: Cross multiply
    3,599.10x = 5,399.70 × 1,259.32
  4. Step 4: Simplify right side
    3,599.10x = 6,799,950.20
  5. Step 5: Solve for x
    x = 6,799,950.20/3,599.10
  6. Step 6: Final answer
    x = 1,889.35

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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.