Home / 1,877.01-2,581.73-1,538.48

Finding the Fourth Proportional to 1,877.01, 2,581.73 and 1,538.48

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Solution

The fourth proportional to 1,877.01, 2,581.73 and 1,538.48 is: 2,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.01 : 2,581.73 = 1,538.48 : x
  2. Step 2: Convert to fraction form
    1,877.01/2,581.73 = 1,538.48/x
  3. Step 3: Cross multiply
    1,877.01x = 2,581.73 × 1,538.48
  4. Step 4: Simplify right side
    1,877.01x = 3,971,938.73
  5. Step 5: Solve for x
    x = 3,971,938.73/1,877.01
  6. Step 6: Final answer
    x = 2,116.10

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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.