Home / 2,036.30-2,810.05-1,139.99

Finding the Fourth Proportional to 2,036.30, 2,810.05 and 1,139.99

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Solution

The fourth proportional to 2,036.30, 2,810.05 and 1,139.99 is: 1,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.30 : 2,810.05 = 1,139.99 : x
  2. Step 2: Convert to fraction form
    2,036.30/2,810.05 = 1,139.99/x
  3. Step 3: Cross multiply
    2,036.30x = 2,810.05 × 1,139.99
  4. Step 4: Simplify right side
    2,036.30x = 3,203,428.90
  5. Step 5: Solve for x
    x = 3,203,428.90/2,036.30
  6. Step 6: Final answer
    x = 1,573.16

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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.