Home / 3,780.35-5,672.75-1,588.91

Finding the Fourth Proportional to 3,780.35, 5,672.75 and 1,588.91

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Solution

The fourth proportional to 3,780.35, 5,672.75 and 1,588.91 is: 2,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.35 : 5,672.75 = 1,588.91 : x
  2. Step 2: Convert to fraction form
    3,780.35/5,672.75 = 1,588.91/x
  3. Step 3: Cross multiply
    3,780.35x = 5,672.75 × 1,588.91
  4. Step 4: Simplify right side
    3,780.35x = 9,013,489.20
  5. Step 5: Solve for x
    x = 9,013,489.20/3,780.35
  6. Step 6: Final answer
    x = 2,384.30

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1.5x scale

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.