Home / 2,037.27-2,810.36-1,289.91

Finding the Fourth Proportional to 2,037.27, 2,810.36 and 1,289.91

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Solution

The fourth proportional to 2,037.27, 2,810.36 and 1,289.91 is: 1,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.27 : 2,810.36 = 1,289.91 : x
  2. Step 2: Convert to fraction form
    2,037.27/2,810.36 = 1,289.91/x
  3. Step 3: Cross multiply
    2,037.27x = 2,810.36 × 1,289.91
  4. Step 4: Simplify right side
    2,037.27x = 3,625,111.47
  5. Step 5: Solve for x
    x = 3,625,111.47/2,037.27
  6. Step 6: Final answer
    x = 1,779.40

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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.