Home / 2,415.16-3,621.66-1,117

Finding the Fourth Proportional to 2,415.16, 3,621.66 and 1,117

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Solution

The fourth proportional to 2,415.16, 3,621.66 and 1,117 is: 1,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.16 : 3,621.66 = 1,117 : x
  2. Step 2: Convert to fraction form
    2,415.16/3,621.66 = 1,117/x
  3. Step 3: Cross multiply
    2,415.16x = 3,621.66 × 1,117
  4. Step 4: Simplify right side
    2,415.16x = 4,045,394.22
  5. Step 5: Solve for x
    x = 4,045,394.22/2,415.16
  6. Step 6: Final answer
    x = 1,675.00

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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.