Home / 1,877.85-2,813.91-1,357.32

Finding the Fourth Proportional to 1,877.85, 2,813.91 and 1,357.32

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Solution

The fourth proportional to 1,877.85, 2,813.91 and 1,357.32 is: 2,033.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.85 : 2,813.91 = 1,357.32 : x
  2. Step 2: Convert to fraction form
    1,877.85/2,813.91 = 1,357.32/x
  3. Step 3: Cross multiply
    1,877.85x = 2,813.91 × 1,357.32
  4. Step 4: Simplify right side
    1,877.85x = 3,819,381.78
  5. Step 5: Solve for x
    x = 3,819,381.78/1,877.85
  6. Step 6: Final answer
    x = 2,033.91

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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.