Home / 1,823.09-2,515.78-1,037.12

Finding the Fourth Proportional to 1,823.09, 2,515.78 and 1,037.12

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Solution

The fourth proportional to 1,823.09, 2,515.78 and 1,037.12 is: 1,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.09 : 2,515.78 = 1,037.12 : x
  2. Step 2: Convert to fraction form
    1,823.09/2,515.78 = 1,037.12/x
  3. Step 3: Cross multiply
    1,823.09x = 2,515.78 × 1,037.12
  4. Step 4: Simplify right side
    1,823.09x = 2,609,165.75
  5. Step 5: Solve for x
    x = 2,609,165.75/1,823.09
  6. Step 6: Final answer
    x = 1,431.18

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1.5x scale

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.