Home / 2,386.51-3,577.30-1,000.64

Finding the Fourth Proportional to 2,386.51, 3,577.30 and 1,000.64

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Solution

The fourth proportional to 2,386.51, 3,577.30 and 1,000.64 is: 1,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.51 : 3,577.30 = 1,000.64 : x
  2. Step 2: Convert to fraction form
    2,386.51/3,577.30 = 1,000.64/x
  3. Step 3: Cross multiply
    2,386.51x = 3,577.30 × 1,000.64
  4. Step 4: Simplify right side
    2,386.51x = 3,579,589.47
  5. Step 5: Solve for x
    x = 3,579,589.47/2,386.51
  6. Step 6: Final answer
    x = 1,499.93

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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.