Home / 3,152.40-4,349.52-2,031.99

Finding the Fourth Proportional to 3,152.40, 4,349.52 and 2,031.99

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Solution

The fourth proportional to 3,152.40, 4,349.52 and 2,031.99 is: 2,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.40 : 4,349.52 = 2,031.99 : x
  2. Step 2: Convert to fraction form
    3,152.40/4,349.52 = 2,031.99/x
  3. Step 3: Cross multiply
    3,152.40x = 4,349.52 × 2,031.99
  4. Step 4: Simplify right side
    3,152.40x = 8,838,181.14
  5. Step 5: Solve for x
    x = 8,838,181.14/3,152.40
  6. Step 6: Final answer
    x = 2,803.64

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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.