Home / 1,709.19-2,357.34-1,237.16

Finding the Fourth Proportional to 1,709.19, 2,357.34 and 1,237.16

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Solution

The fourth proportional to 1,709.19, 2,357.34 and 1,237.16 is: 1,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.19 : 2,357.34 = 1,237.16 : x
  2. Step 2: Convert to fraction form
    1,709.19/2,357.34 = 1,237.16/x
  3. Step 3: Cross multiply
    1,709.19x = 2,357.34 × 1,237.16
  4. Step 4: Simplify right side
    1,709.19x = 2,916,394.97
  5. Step 5: Solve for x
    x = 2,916,394.97/1,709.19
  6. Step 6: Final answer
    x = 1,706.30

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1.5x scale

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.