Home / 2,401.84-3,314.63-1,353.88

Finding the Fourth Proportional to 2,401.84, 3,314.63 and 1,353.88

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Solution

The fourth proportional to 2,401.84, 3,314.63 and 1,353.88 is: 1,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.84 : 3,314.63 = 1,353.88 : x
  2. Step 2: Convert to fraction form
    2,401.84/3,314.63 = 1,353.88/x
  3. Step 3: Cross multiply
    2,401.84x = 3,314.63 × 1,353.88
  4. Step 4: Simplify right side
    2,401.84x = 4,487,587.92
  5. Step 5: Solve for x
    x = 4,487,587.92/2,401.84
  6. Step 6: Final answer
    x = 1,868.40

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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.