Home / 1,586.50-2,189.37-888.04

Finding the Fourth Proportional to 1,586.50, 2,189.37 and 888.04

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Solution

The fourth proportional to 1,586.50, 2,189.37 and 888.04 is: 1,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586.50 : 2,189.37 = 888.04 : x
  2. Step 2: Convert to fraction form
    1,586.50/2,189.37 = 888.04/x
  3. Step 3: Cross multiply
    1,586.50x = 2,189.37 × 888.04
  4. Step 4: Simplify right side
    1,586.50x = 1,944,248.13
  5. Step 5: Solve for x
    x = 1,944,248.13/1,586.50
  6. Step 6: Final answer
    x = 1,225.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.