Home / 1,588.10-2,381.34-492.32

Finding the Fourth Proportional to 1,588.10, 2,381.34 and 492.32

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Solution

The fourth proportional to 1,588.10, 2,381.34 and 492.32 is: 738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.10 : 2,381.34 = 492.32 : x
  2. Step 2: Convert to fraction form
    1,588.10/2,381.34 = 492.32/x
  3. Step 3: Cross multiply
    1,588.10x = 2,381.34 × 492.32
  4. Step 4: Simplify right side
    1,588.10x = 1,172,381.31
  5. Step 5: Solve for x
    x = 1,172,381.31/1,588.10
  6. Step 6: Final answer
    x = 738.23

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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.