Home / 1,611.84-2,225.48-1,258.16

Finding the Fourth Proportional to 1,611.84, 2,225.48 and 1,258.16

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Solution

The fourth proportional to 1,611.84, 2,225.48 and 1,258.16 is: 1,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.84 : 2,225.48 = 1,258.16 : x
  2. Step 2: Convert to fraction form
    1,611.84/2,225.48 = 1,258.16/x
  3. Step 3: Cross multiply
    1,611.84x = 2,225.48 × 1,258.16
  4. Step 4: Simplify right side
    1,611.84x = 2,799,992.50
  5. Step 5: Solve for x
    x = 2,799,992.50/1,611.84
  6. Step 6: Final answer
    x = 1,737.14

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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.