Home / 1,946.96-2,686.36-1,160.52

Finding the Fourth Proportional to 1,946.96, 2,686.36 and 1,160.52

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Solution

The fourth proportional to 1,946.96, 2,686.36 and 1,160.52 is: 1,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.96 : 2,686.36 = 1,160.52 : x
  2. Step 2: Convert to fraction form
    1,946.96/2,686.36 = 1,160.52/x
  3. Step 3: Cross multiply
    1,946.96x = 2,686.36 × 1,160.52
  4. Step 4: Simplify right side
    1,946.96x = 3,117,574.51
  5. Step 5: Solve for x
    x = 3,117,574.51/1,946.96
  6. Step 6: Final answer
    x = 1,601.25

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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.