Home / 1,358.16-2,041.92-1,188.24

Finding the Fourth Proportional to 1,358.16, 2,041.92 and 1,188.24

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Solution

The fourth proportional to 1,358.16, 2,041.92 and 1,188.24 is: 1,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.16 : 2,041.92 = 1,188.24 : x
  2. Step 2: Convert to fraction form
    1,358.16/2,041.92 = 1,188.24/x
  3. Step 3: Cross multiply
    1,358.16x = 2,041.92 × 1,188.24
  4. Step 4: Simplify right side
    1,358.16x = 2,426,291.02
  5. Step 5: Solve for x
    x = 2,426,291.02/1,358.16
  6. Step 6: Final answer
    x = 1,786.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.