Home / 3,070.52-4,612.16-2,988.51

Finding the Fourth Proportional to 3,070.52, 4,612.16 and 2,988.51

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Solution

The fourth proportional to 3,070.52, 4,612.16 and 2,988.51 is: 4,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.52 : 4,612.16 = 2,988.51 : x
  2. Step 2: Convert to fraction form
    3,070.52/4,612.16 = 2,988.51/x
  3. Step 3: Cross multiply
    3,070.52x = 4,612.16 × 2,988.51
  4. Step 4: Simplify right side
    3,070.52x = 13,783,486.28
  5. Step 5: Solve for x
    x = 13,783,486.28/3,070.52
  6. Step 6: Final answer
    x = 4,488.97

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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.