Home / 1,415.63-1,953.49-1,060.85

Finding the Fourth Proportional to 1,415.63, 1,953.49 and 1,060.85

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Solution

The fourth proportional to 1,415.63, 1,953.49 and 1,060.85 is: 1,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.63 : 1,953.49 = 1,060.85 : x
  2. Step 2: Convert to fraction form
    1,415.63/1,953.49 = 1,060.85/x
  3. Step 3: Cross multiply
    1,415.63x = 1,953.49 × 1,060.85
  4. Step 4: Simplify right side
    1,415.63x = 2,072,356.08
  5. Step 5: Solve for x
    x = 2,072,356.08/1,415.63
  6. Step 6: Final answer
    x = 1,463.91

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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.