Home / 2,038.59-3,053.57-1,380.87

Finding the Fourth Proportional to 2,038.59, 3,053.57 and 1,380.87

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Solution

The fourth proportional to 2,038.59, 3,053.57 and 1,380.87 is: 2,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.59 : 3,053.57 = 1,380.87 : x
  2. Step 2: Convert to fraction form
    2,038.59/3,053.57 = 1,380.87/x
  3. Step 3: Cross multiply
    2,038.59x = 3,053.57 × 1,380.87
  4. Step 4: Simplify right side
    2,038.59x = 4,216,576.30
  5. Step 5: Solve for x
    x = 4,216,576.30/2,038.59
  6. Step 6: Final answer
    x = 2,068.38

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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.