Home / 2,055.40-2,836.31-1,159.16

Finding the Fourth Proportional to 2,055.40, 2,836.31 and 1,159.16

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Solution

The fourth proportional to 2,055.40, 2,836.31 and 1,159.16 is: 1,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055.40 : 2,836.31 = 1,159.16 : x
  2. Step 2: Convert to fraction form
    2,055.40/2,836.31 = 1,159.16/x
  3. Step 3: Cross multiply
    2,055.40x = 2,836.31 × 1,159.16
  4. Step 4: Simplify right side
    2,055.40x = 3,287,717.12
  5. Step 5: Solve for x
    x = 3,287,717.12/2,055.40
  6. Step 6: Final answer
    x = 1,599.55

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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.