Home / 2,820.24-4,227.70-970.06

Finding the Fourth Proportional to 2,820.24, 4,227.70 and 970.06

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Solution

The fourth proportional to 2,820.24, 4,227.70 and 970.06 is: 1,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.24 : 4,227.70 = 970.06 : x
  2. Step 2: Convert to fraction form
    2,820.24/4,227.70 = 970.06/x
  3. Step 3: Cross multiply
    2,820.24x = 4,227.70 × 970.06
  4. Step 4: Simplify right side
    2,820.24x = 4,101,127.34
  5. Step 5: Solve for x
    x = 4,101,127.34/2,820.24
  6. Step 6: Final answer
    x = 1,454.18

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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.