Home / 1,757.16-2,424.87-971.15

Finding the Fourth Proportional to 1,757.16, 2,424.87 and 971.15

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Solution

The fourth proportional to 1,757.16, 2,424.87 and 971.15 is: 1,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.16 : 2,424.87 = 971.15 : x
  2. Step 2: Convert to fraction form
    1,757.16/2,424.87 = 971.15/x
  3. Step 3: Cross multiply
    1,757.16x = 2,424.87 × 971.15
  4. Step 4: Simplify right side
    1,757.16x = 2,354,900.38
  5. Step 5: Solve for x
    x = 2,354,900.38/1,757.16
  6. Step 6: Final answer
    x = 1,340.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.