Home / 3,259.48-4,887.18-1,409.59

Finding the Fourth Proportional to 3,259.48, 4,887.18 and 1,409.59

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Solution

The fourth proportional to 3,259.48, 4,887.18 and 1,409.59 is: 2,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.48 : 4,887.18 = 1,409.59 : x
  2. Step 2: Convert to fraction form
    3,259.48/4,887.18 = 1,409.59/x
  3. Step 3: Cross multiply
    3,259.48x = 4,887.18 × 1,409.59
  4. Step 4: Simplify right side
    3,259.48x = 6,888,920.06
  5. Step 5: Solve for x
    x = 6,888,920.06/3,259.48
  6. Step 6: Final answer
    x = 2,113.50

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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.