Home / 1,709.64-2,356.52-1,335.96

Finding the Fourth Proportional to 1,709.64, 2,356.52 and 1,335.96

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Solution

The fourth proportional to 1,709.64, 2,356.52 and 1,335.96 is: 1,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.64 : 2,356.52 = 1,335.96 : x
  2. Step 2: Convert to fraction form
    1,709.64/2,356.52 = 1,335.96/x
  3. Step 3: Cross multiply
    1,709.64x = 2,356.52 × 1,335.96
  4. Step 4: Simplify right side
    1,709.64x = 3,148,216.46
  5. Step 5: Solve for x
    x = 3,148,216.46/1,709.64
  6. Step 6: Final answer
    x = 1,841.45

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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.