Home / 1,588.08-2,382.12-766.32

Finding the Fourth Proportional to 1,588.08, 2,382.12 and 766.32

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Solution

The fourth proportional to 1,588.08, 2,382.12 and 766.32 is: 1,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.08 : 2,382.12 = 766.32 : x
  2. Step 2: Convert to fraction form
    1,588.08/2,382.12 = 766.32/x
  3. Step 3: Cross multiply
    1,588.08x = 2,382.12 × 766.32
  4. Step 4: Simplify right side
    1,588.08x = 1,825,466.20
  5. Step 5: Solve for x
    x = 1,825,466.20/1,588.08
  6. Step 6: Final answer
    x = 1,149.48

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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.