Home / 3,315.84-4,969.20-1,534.80

Finding the Fourth Proportional to 3,315.84, 4,969.20 and 1,534.80

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Solution

The fourth proportional to 3,315.84, 4,969.20 and 1,534.80 is: 2,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.84 : 4,969.20 = 1,534.80 : x
  2. Step 2: Convert to fraction form
    3,315.84/4,969.20 = 1,534.80/x
  3. Step 3: Cross multiply
    3,315.84x = 4,969.20 × 1,534.80
  4. Step 4: Simplify right side
    3,315.84x = 7,626,728.16
  5. Step 5: Solve for x
    x = 7,626,728.16/3,315.84
  6. Step 6: Final answer
    x = 2,300.09

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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.