Home / 3,200.75-4,417.01-1,874.19

Finding the Fourth Proportional to 3,200.75, 4,417.01 and 1,874.19

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Solution

The fourth proportional to 3,200.75, 4,417.01 and 1,874.19 is: 2,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.75 : 4,417.01 = 1,874.19 : x
  2. Step 2: Convert to fraction form
    3,200.75/4,417.01 = 1,874.19/x
  3. Step 3: Cross multiply
    3,200.75x = 4,417.01 × 1,874.19
  4. Step 4: Simplify right side
    3,200.75x = 8,278,315.97
  5. Step 5: Solve for x
    x = 8,278,315.97/3,200.75
  6. Step 6: Final answer
    x = 2,586.37

Related Problems

Find fourth proportional to 1,600.38, 2,208.51 and 937.10
Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.