Home / 1,586.08-2,379.12-1,547.68

Finding the Fourth Proportional to 1,586.08, 2,379.12 and 1,547.68

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Solution

The fourth proportional to 1,586.08, 2,379.12 and 1,547.68 is: 2,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.08 : 2,379.12 = 1,547.68 : x
  2. Step 2: Convert to fraction form
    1,586.08/2,379.12 = 1,547.68/x
  3. Step 3: Cross multiply
    1,586.08x = 2,379.12 × 1,547.68
  4. Step 4: Simplify right side
    1,586.08x = 3,682,116.44
  5. Step 5: Solve for x
    x = 3,682,116.44/1,586.08
  6. Step 6: Final answer
    x = 2,321.52

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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.