Home / 2,038.90-2,813.69-1,154.99

Finding the Fourth Proportional to 2,038.90, 2,813.69 and 1,154.99

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Solution

The fourth proportional to 2,038.90, 2,813.69 and 1,154.99 is: 1,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.90 : 2,813.69 = 1,154.99 : x
  2. Step 2: Convert to fraction form
    2,038.90/2,813.69 = 1,154.99/x
  3. Step 3: Cross multiply
    2,038.90x = 2,813.69 × 1,154.99
  4. Step 4: Simplify right side
    2,038.90x = 3,249,763.97
  5. Step 5: Solve for x
    x = 3,249,763.97/2,038.90
  6. Step 6: Final answer
    x = 1,593.88

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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.