Home / 2,887.48-4,329.66-1,406.20

Finding the Fourth Proportional to 2,887.48, 4,329.66 and 1,406.20

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Solution

The fourth proportional to 2,887.48, 4,329.66 and 1,406.20 is: 2,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.48 : 4,329.66 = 1,406.20 : x
  2. Step 2: Convert to fraction form
    2,887.48/4,329.66 = 1,406.20/x
  3. Step 3: Cross multiply
    2,887.48x = 4,329.66 × 1,406.20
  4. Step 4: Simplify right side
    2,887.48x = 6,088,367.89
  5. Step 5: Solve for x
    x = 6,088,367.89/2,887.48
  6. Step 6: Final answer
    x = 2,108.54

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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.