Home / 2,307.17-3,458.11-990.51

Finding the Fourth Proportional to 2,307.17, 3,458.11 and 990.51

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Solution

The fourth proportional to 2,307.17, 3,458.11 and 990.51 is: 1,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.17 : 3,458.11 = 990.51 : x
  2. Step 2: Convert to fraction form
    2,307.17/3,458.11 = 990.51/x
  3. Step 3: Cross multiply
    2,307.17x = 3,458.11 × 990.51
  4. Step 4: Simplify right side
    2,307.17x = 3,425,292.54
  5. Step 5: Solve for x
    x = 3,425,292.54/2,307.17
  6. Step 6: Final answer
    x = 1,484.63

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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.