Home / 2,389.32-3,577.53-1,347.77

Finding the Fourth Proportional to 2,389.32, 3,577.53 and 1,347.77

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Solution

The fourth proportional to 2,389.32, 3,577.53 and 1,347.77 is: 2,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.32 : 3,577.53 = 1,347.77 : x
  2. Step 2: Convert to fraction form
    2,389.32/3,577.53 = 1,347.77/x
  3. Step 3: Cross multiply
    2,389.32x = 3,577.53 × 1,347.77
  4. Step 4: Simplify right side
    2,389.32x = 4,821,669.72
  5. Step 5: Solve for x
    x = 4,821,669.72/2,389.32
  6. Step 6: Final answer
    x = 2,018.01

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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.