Home / 2,024.36-3,036.90-637.40

Finding the Fourth Proportional to 2,024.36, 3,036.90 and 637.40

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Solution

The fourth proportional to 2,024.36, 3,036.90 and 637.40 is: 956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,024.36 : 3,036.90 = 637.40 : x
  2. Step 2: Convert to fraction form
    2,024.36/3,036.90 = 637.40/x
  3. Step 3: Cross multiply
    2,024.36x = 3,036.90 × 637.40
  4. Step 4: Simplify right side
    2,024.36x = 1,935,720.06
  5. Step 5: Solve for x
    x = 1,935,720.06/2,024.36
  6. Step 6: Final answer
    x = 956.21

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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.