Home / 2,653.66-3,980.52-1,354.30

Finding the Fourth Proportional to 2,653.66, 3,980.52 and 1,354.30

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Solution

The fourth proportional to 2,653.66, 3,980.52 and 1,354.30 is: 2,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.66 : 3,980.52 = 1,354.30 : x
  2. Step 2: Convert to fraction form
    2,653.66/3,980.52 = 1,354.30/x
  3. Step 3: Cross multiply
    2,653.66x = 3,980.52 × 1,354.30
  4. Step 4: Simplify right side
    2,653.66x = 5,390,818.24
  5. Step 5: Solve for x
    x = 5,390,818.24/2,653.66
  6. Step 6: Final answer
    x = 2,031.47

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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.