Home / 2,476.63-3,418.01-1,580.40

Finding the Fourth Proportional to 2,476.63, 3,418.01 and 1,580.40

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Solution

The fourth proportional to 2,476.63, 3,418.01 and 1,580.40 is: 2,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.63 : 3,418.01 = 1,580.40 : x
  2. Step 2: Convert to fraction form
    2,476.63/3,418.01 = 1,580.40/x
  3. Step 3: Cross multiply
    2,476.63x = 3,418.01 × 1,580.40
  4. Step 4: Simplify right side
    2,476.63x = 5,401,809.86
  5. Step 5: Solve for x
    x = 5,401,809.86/2,476.63
  6. Step 6: Final answer
    x = 2,181.11

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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.