Home / 3,074.19-4,242.66-1,748.34

Finding the Fourth Proportional to 3,074.19, 4,242.66 and 1,748.34

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Solution

The fourth proportional to 3,074.19, 4,242.66 and 1,748.34 is: 2,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.19 : 4,242.66 = 1,748.34 : x
  2. Step 2: Convert to fraction form
    3,074.19/4,242.66 = 1,748.34/x
  3. Step 3: Cross multiply
    3,074.19x = 4,242.66 × 1,748.34
  4. Step 4: Simplify right side
    3,074.19x = 7,417,612.18
  5. Step 5: Solve for x
    x = 7,417,612.18/3,074.19
  6. Step 6: Final answer
    x = 2,412.87

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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.