Home / 1,518.28-2,094.46-888.40

Finding the Fourth Proportional to 1,518.28, 2,094.46 and 888.40

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Solution

The fourth proportional to 1,518.28, 2,094.46 and 888.40 is: 1,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.28 : 2,094.46 = 888.40 : x
  2. Step 2: Convert to fraction form
    1,518.28/2,094.46 = 888.40/x
  3. Step 3: Cross multiply
    1,518.28x = 2,094.46 × 888.40
  4. Step 4: Simplify right side
    1,518.28x = 1,860,718.26
  5. Step 5: Solve for x
    x = 1,860,718.26/1,518.28
  6. Step 6: Final answer
    x = 1,225.54

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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.