Home / 1,341.16-2,011.73-474.86

Finding the Fourth Proportional to 1,341.16, 2,011.73 and 474.86

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Solution

The fourth proportional to 1,341.16, 2,011.73 and 474.86 is: 712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.16 : 2,011.73 = 474.86 : x
  2. Step 2: Convert to fraction form
    1,341.16/2,011.73 = 474.86/x
  3. Step 3: Cross multiply
    1,341.16x = 2,011.73 × 474.86
  4. Step 4: Simplify right side
    1,341.16x = 955,291.29
  5. Step 5: Solve for x
    x = 955,291.29/1,341.16
  6. Step 6: Final answer
    x = 712.29

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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.