Home / 1,837.98-2,536.70-1,207.40

Finding the Fourth Proportional to 1,837.98, 2,536.70 and 1,207.40

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Solution

The fourth proportional to 1,837.98, 2,536.70 and 1,207.40 is: 1,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.98 : 2,536.70 = 1,207.40 : x
  2. Step 2: Convert to fraction form
    1,837.98/2,536.70 = 1,207.40/x
  3. Step 3: Cross multiply
    1,837.98x = 2,536.70 × 1,207.40
  4. Step 4: Simplify right side
    1,837.98x = 3,062,792.86
  5. Step 5: Solve for x
    x = 3,062,792.86/1,837.98
  6. Step 6: Final answer
    x = 1,666.39

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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.