Home / 1,551.65-2,134.91-1,341.14

Finding the Fourth Proportional to 1,551.65, 2,134.91 and 1,341.14

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Solution

The fourth proportional to 1,551.65, 2,134.91 and 1,341.14 is: 1,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.65 : 2,134.91 = 1,341.14 : x
  2. Step 2: Convert to fraction form
    1,551.65/2,134.91 = 1,341.14/x
  3. Step 3: Cross multiply
    1,551.65x = 2,134.91 × 1,341.14
  4. Step 4: Simplify right side
    1,551.65x = 2,863,195.82
  5. Step 5: Solve for x
    x = 2,863,195.82/1,551.65
  6. Step 6: Final answer
    x = 1,845.26

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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.