Home / 2,455.02-3,681.18-1,155.78

Finding the Fourth Proportional to 2,455.02, 3,681.18 and 1,155.78

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Solution

The fourth proportional to 2,455.02, 3,681.18 and 1,155.78 is: 1,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.02 : 3,681.18 = 1,155.78 : x
  2. Step 2: Convert to fraction form
    2,455.02/3,681.18 = 1,155.78/x
  3. Step 3: Cross multiply
    2,455.02x = 3,681.18 × 1,155.78
  4. Step 4: Simplify right side
    2,455.02x = 4,254,634.22
  5. Step 5: Solve for x
    x = 4,254,634.22/2,455.02
  6. Step 6: Final answer
    x = 1,733.03

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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.