Home / 2,752.08-4,130.82-2,019.58

Finding the Fourth Proportional to 2,752.08, 4,130.82 and 2,019.58

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Solution

The fourth proportional to 2,752.08, 4,130.82 and 2,019.58 is: 3,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.08 : 4,130.82 = 2,019.58 : x
  2. Step 2: Convert to fraction form
    2,752.08/4,130.82 = 2,019.58/x
  3. Step 3: Cross multiply
    2,752.08x = 4,130.82 × 2,019.58
  4. Step 4: Simplify right side
    2,752.08x = 8,342,521.46
  5. Step 5: Solve for x
    x = 8,342,521.46/2,752.08
  6. Step 6: Final answer
    x = 3,031.35

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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.