Home / 1,615.77-2,424.57-1,345.14

Finding the Fourth Proportional to 1,615.77, 2,424.57 and 1,345.14

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Solution

The fourth proportional to 1,615.77, 2,424.57 and 1,345.14 is: 2,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.77 : 2,424.57 = 1,345.14 : x
  2. Step 2: Convert to fraction form
    1,615.77/2,424.57 = 1,345.14/x
  3. Step 3: Cross multiply
    1,615.77x = 2,424.57 × 1,345.14
  4. Step 4: Simplify right side
    1,615.77x = 3,261,386.09
  5. Step 5: Solve for x
    x = 3,261,386.09/1,615.77
  6. Step 6: Final answer
    x = 2,018.47

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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.