Home / 1,588.16-2,382.73-766.46

Finding the Fourth Proportional to 1,588.16, 2,382.73 and 766.46

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Solution

The fourth proportional to 1,588.16, 2,382.73 and 766.46 is: 1,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.16 : 2,382.73 = 766.46 : x
  2. Step 2: Convert to fraction form
    1,588.16/2,382.73 = 766.46/x
  3. Step 3: Cross multiply
    1,588.16x = 2,382.73 × 766.46
  4. Step 4: Simplify right side
    1,588.16x = 1,826,271.28
  5. Step 5: Solve for x
    x = 1,826,271.28/1,588.16
  6. Step 6: Final answer
    x = 1,149.93

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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.