Home / 1,475.19-2,036.14-845.91

Finding the Fourth Proportional to 1,475.19, 2,036.14 and 845.91

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Solution

The fourth proportional to 1,475.19, 2,036.14 and 845.91 is: 1,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.19 : 2,036.14 = 845.91 : x
  2. Step 2: Convert to fraction form
    1,475.19/2,036.14 = 845.91/x
  3. Step 3: Cross multiply
    1,475.19x = 2,036.14 × 845.91
  4. Step 4: Simplify right side
    1,475.19x = 1,722,389.07
  5. Step 5: Solve for x
    x = 1,722,389.07/1,475.19
  6. Step 6: Final answer
    x = 1,167.57

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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.