Home / 3,248.86-4,870.89-1,299.58

Finding the Fourth Proportional to 3,248.86, 4,870.89 and 1,299.58

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Solution

The fourth proportional to 3,248.86, 4,870.89 and 1,299.58 is: 1,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,248.86 : 4,870.89 = 1,299.58 : x
  2. Step 2: Convert to fraction form
    3,248.86/4,870.89 = 1,299.58/x
  3. Step 3: Cross multiply
    3,248.86x = 4,870.89 × 1,299.58
  4. Step 4: Simplify right side
    3,248.86x = 6,330,111.23
  5. Step 5: Solve for x
    x = 6,330,111.23/3,248.86
  6. Step 6: Final answer
    x = 1,948.41

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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.