Home / 3,430.13-4,733.37-1,917.41

Finding the Fourth Proportional to 3,430.13, 4,733.37 and 1,917.41

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Solution

The fourth proportional to 3,430.13, 4,733.37 and 1,917.41 is: 2,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.13 : 4,733.37 = 1,917.41 : x
  2. Step 2: Convert to fraction form
    3,430.13/4,733.37 = 1,917.41/x
  3. Step 3: Cross multiply
    3,430.13x = 4,733.37 × 1,917.41
  4. Step 4: Simplify right side
    3,430.13x = 9,075,787.30
  5. Step 5: Solve for x
    x = 9,075,787.30/3,430.13
  6. Step 6: Final answer
    x = 2,645.91

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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.