Home / 1,985.58-2,740.23-1,146.44

Finding the Fourth Proportional to 1,985.58, 2,740.23 and 1,146.44

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Solution

The fourth proportional to 1,985.58, 2,740.23 and 1,146.44 is: 1,582.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.58 : 2,740.23 = 1,146.44 : x
  2. Step 2: Convert to fraction form
    1,985.58/2,740.23 = 1,146.44/x
  3. Step 3: Cross multiply
    1,985.58x = 2,740.23 × 1,146.44
  4. Step 4: Simplify right side
    1,985.58x = 3,141,506.42
  5. Step 5: Solve for x
    x = 3,141,506.42/1,985.58
  6. Step 6: Final answer
    x = 1,582.16

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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.