Home / 1,491.19-2,055.45-1,175.93

Finding the Fourth Proportional to 1,491.19, 2,055.45 and 1,175.93

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Solution

The fourth proportional to 1,491.19, 2,055.45 and 1,175.93 is: 1,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.19 : 2,055.45 = 1,175.93 : x
  2. Step 2: Convert to fraction form
    1,491.19/2,055.45 = 1,175.93/x
  3. Step 3: Cross multiply
    1,491.19x = 2,055.45 × 1,175.93
  4. Step 4: Simplify right side
    1,491.19x = 2,417,065.32
  5. Step 5: Solve for x
    x = 2,417,065.32/1,491.19
  6. Step 6: Final answer
    x = 1,620.90

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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.