Home / 3,130.23-4,689.58-2,714.70

Finding the Fourth Proportional to 3,130.23, 4,689.58 and 2,714.70

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Solution

The fourth proportional to 3,130.23, 4,689.58 and 2,714.70 is: 4,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.23 : 4,689.58 = 2,714.70 : x
  2. Step 2: Convert to fraction form
    3,130.23/4,689.58 = 2,714.70/x
  3. Step 3: Cross multiply
    3,130.23x = 4,689.58 × 2,714.70
  4. Step 4: Simplify right side
    3,130.23x = 12,730,802.83
  5. Step 5: Solve for x
    x = 12,730,802.83/3,130.23
  6. Step 6: Final answer
    x = 4,067.05

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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.