Home / 2,515.24-3,775.02-1,130.68

Finding the Fourth Proportional to 2,515.24, 3,775.02 and 1,130.68

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Solution

The fourth proportional to 2,515.24, 3,775.02 and 1,130.68 is: 1,696.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.24 : 3,775.02 = 1,130.68 : x
  2. Step 2: Convert to fraction form
    2,515.24/3,775.02 = 1,130.68/x
  3. Step 3: Cross multiply
    2,515.24x = 3,775.02 × 1,130.68
  4. Step 4: Simplify right side
    2,515.24x = 4,268,339.61
  5. Step 5: Solve for x
    x = 4,268,339.61/2,515.24
  6. Step 6: Final answer
    x = 1,696.99

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1.5x scale

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.