Home / 3,248.16-4,870.08-1,299.84

Finding the Fourth Proportional to 3,248.16, 4,870.08 and 1,299.84

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Solution

The fourth proportional to 3,248.16, 4,870.08 and 1,299.84 is: 1,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.16 : 4,870.08 = 1,299.84 : x
  2. Step 2: Convert to fraction form
    3,248.16/4,870.08 = 1,299.84/x
  3. Step 3: Cross multiply
    3,248.16x = 4,870.08 × 1,299.84
  4. Step 4: Simplify right side
    3,248.16x = 6,330,324.79
  5. Step 5: Solve for x
    x = 6,330,324.79/3,248.16
  6. Step 6: Final answer
    x = 1,948.90

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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.