Home / 3,017.90-4,529.56-1,538.11

Finding the Fourth Proportional to 3,017.90, 4,529.56 and 1,538.11

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Solution

The fourth proportional to 3,017.90, 4,529.56 and 1,538.11 is: 2,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.90 : 4,529.56 = 1,538.11 : x
  2. Step 2: Convert to fraction form
    3,017.90/4,529.56 = 1,538.11/x
  3. Step 3: Cross multiply
    3,017.90x = 4,529.56 × 1,538.11
  4. Step 4: Simplify right side
    3,017.90x = 6,966,945.08
  5. Step 5: Solve for x
    x = 6,966,945.08/3,017.90
  6. Step 6: Final answer
    x = 2,308.54

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1.5x scale

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.