Home / 1,709.35-2,357.64-1,045.66

Finding the Fourth Proportional to 1,709.35, 2,357.64 and 1,045.66

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Solution

The fourth proportional to 1,709.35, 2,357.64 and 1,045.66 is: 1,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.35 : 2,357.64 = 1,045.66 : x
  2. Step 2: Convert to fraction form
    1,709.35/2,357.64 = 1,045.66/x
  3. Step 3: Cross multiply
    1,709.35x = 2,357.64 × 1,045.66
  4. Step 4: Simplify right side
    1,709.35x = 2,465,289.84
  5. Step 5: Solve for x
    x = 2,465,289.84/1,709.35
  6. Step 6: Final answer
    x = 1,442.24

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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.