Home / 1,512.56-2,267.58-1,391.08

Finding the Fourth Proportional to 1,512.56, 2,267.58 and 1,391.08

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Solution

The fourth proportional to 1,512.56, 2,267.58 and 1,391.08 is: 2,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.56 : 2,267.58 = 1,391.08 : x
  2. Step 2: Convert to fraction form
    1,512.56/2,267.58 = 1,391.08/x
  3. Step 3: Cross multiply
    1,512.56x = 2,267.58 × 1,391.08
  4. Step 4: Simplify right side
    1,512.56x = 3,154,385.19
  5. Step 5: Solve for x
    x = 3,154,385.19/1,512.56
  6. Step 6: Final answer
    x = 2,085.46

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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.