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Finding the Fourth Proportional to 3,903.84, 5,852.16 and 1,306.08

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Solution

The fourth proportional to 3,903.84, 5,852.16 and 1,306.08 is: 1,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.84 : 5,852.16 = 1,306.08 : x
  2. Step 2: Convert to fraction form
    3,903.84/5,852.16 = 1,306.08/x
  3. Step 3: Cross multiply
    3,903.84x = 5,852.16 × 1,306.08
  4. Step 4: Simplify right side
    3,903.84x = 7,643,389.13
  5. Step 5: Solve for x
    x = 7,643,389.13/3,903.84
  6. Step 6: Final answer
    x = 1,957.92

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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.