Home / 1,554.09-2,143.58-1,487.67

Finding the Fourth Proportional to 1,554.09, 2,143.58 and 1,487.67

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Solution

The fourth proportional to 1,554.09, 2,143.58 and 1,487.67 is: 2,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.09 : 2,143.58 = 1,487.67 : x
  2. Step 2: Convert to fraction form
    1,554.09/2,143.58 = 1,487.67/x
  3. Step 3: Cross multiply
    1,554.09x = 2,143.58 × 1,487.67
  4. Step 4: Simplify right side
    1,554.09x = 3,188,932.22
  5. Step 5: Solve for x
    x = 3,188,932.22/1,554.09
  6. Step 6: Final answer
    x = 2,051.96

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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.