Home / 2,715.54-4,066.02-1,617.18

Finding the Fourth Proportional to 2,715.54, 4,066.02 and 1,617.18

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Solution

The fourth proportional to 2,715.54, 4,066.02 and 1,617.18 is: 2,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.54 : 4,066.02 = 1,617.18 : x
  2. Step 2: Convert to fraction form
    2,715.54/4,066.02 = 1,617.18/x
  3. Step 3: Cross multiply
    2,715.54x = 4,066.02 × 1,617.18
  4. Step 4: Simplify right side
    2,715.54x = 6,575,486.22
  5. Step 5: Solve for x
    x = 6,575,486.22/2,715.54
  6. Step 6: Final answer
    x = 2,421.43

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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.