Home / 1,715.04-2,365.92-1,015.92

Finding the Fourth Proportional to 1,715.04, 2,365.92 and 1,015.92

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Solution

The fourth proportional to 1,715.04, 2,365.92 and 1,015.92 is: 1,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.04 : 2,365.92 = 1,015.92 : x
  2. Step 2: Convert to fraction form
    1,715.04/2,365.92 = 1,015.92/x
  3. Step 3: Cross multiply
    1,715.04x = 2,365.92 × 1,015.92
  4. Step 4: Simplify right side
    1,715.04x = 2,403,585.45
  5. Step 5: Solve for x
    x = 2,403,585.45/1,715.04
  6. Step 6: Final answer
    x = 1,401.47

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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.