Home / 1,708.35-2,357.47-1,045.09

Finding the Fourth Proportional to 1,708.35, 2,357.47 and 1,045.09

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Solution

The fourth proportional to 1,708.35, 2,357.47 and 1,045.09 is: 1,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.35 : 2,357.47 = 1,045.09 : x
  2. Step 2: Convert to fraction form
    1,708.35/2,357.47 = 1,045.09/x
  3. Step 3: Cross multiply
    1,708.35x = 2,357.47 × 1,045.09
  4. Step 4: Simplify right side
    1,708.35x = 2,463,768.32
  5. Step 5: Solve for x
    x = 2,463,768.32/1,708.35
  6. Step 6: Final answer
    x = 1,442.19

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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.