Home / 2,528.40-3,487.41-1,480.67

Finding the Fourth Proportional to 2,528.40, 3,487.41 and 1,480.67

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Solution

The fourth proportional to 2,528.40, 3,487.41 and 1,480.67 is: 2,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.40 : 3,487.41 = 1,480.67 : x
  2. Step 2: Convert to fraction form
    2,528.40/3,487.41 = 1,480.67/x
  3. Step 3: Cross multiply
    2,528.40x = 3,487.41 × 1,480.67
  4. Step 4: Simplify right side
    2,528.40x = 5,163,703.36
  5. Step 5: Solve for x
    x = 5,163,703.36/2,528.40
  6. Step 6: Final answer
    x = 2,042.28

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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.