Home / 1,534.19-2,114.72-1,210.27

Finding the Fourth Proportional to 1,534.19, 2,114.72 and 1,210.27

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Solution

The fourth proportional to 1,534.19, 2,114.72 and 1,210.27 is: 1,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.19 : 2,114.72 = 1,210.27 : x
  2. Step 2: Convert to fraction form
    1,534.19/2,114.72 = 1,210.27/x
  3. Step 3: Cross multiply
    1,534.19x = 2,114.72 × 1,210.27
  4. Step 4: Simplify right side
    1,534.19x = 2,559,371.60
  5. Step 5: Solve for x
    x = 2,559,371.60/1,534.19
  6. Step 6: Final answer
    x = 1,668.23

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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.