Home / 1,877.36-2,588.34-1,540.02

Finding the Fourth Proportional to 1,877.36, 2,588.34 and 1,540.02

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Solution

The fourth proportional to 1,877.36, 2,588.34 and 1,540.02 is: 2,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.36 : 2,588.34 = 1,540.02 : x
  2. Step 2: Convert to fraction form
    1,877.36/2,588.34 = 1,540.02/x
  3. Step 3: Cross multiply
    1,877.36x = 2,588.34 × 1,540.02
  4. Step 4: Simplify right side
    1,877.36x = 3,986,095.37
  5. Step 5: Solve for x
    x = 3,986,095.37/1,877.36
  6. Step 6: Final answer
    x = 2,123.25

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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.