Home / 2,959.08-4,412.30-2,830.59

Finding the Fourth Proportional to 2,959.08, 4,412.30 and 2,830.59

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Solution

The fourth proportional to 2,959.08, 4,412.30 and 2,830.59 is: 4,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.08 : 4,412.30 = 2,830.59 : x
  2. Step 2: Convert to fraction form
    2,959.08/4,412.30 = 2,830.59/x
  3. Step 3: Cross multiply
    2,959.08x = 4,412.30 × 2,830.59
  4. Step 4: Simplify right side
    2,959.08x = 12,489,398.10
  5. Step 5: Solve for x
    x = 12,489,398.10/2,959.08
  6. Step 6: Final answer
    x = 4,220.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.