Home / 2,809.23-4,215.74-1,710.20

Finding the Fourth Proportional to 2,809.23, 4,215.74 and 1,710.20

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Solution

The fourth proportional to 2,809.23, 4,215.74 and 1,710.20 is: 2,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.23 : 4,215.74 = 1,710.20 : x
  2. Step 2: Convert to fraction form
    2,809.23/4,215.74 = 1,710.20/x
  3. Step 3: Cross multiply
    2,809.23x = 4,215.74 × 1,710.20
  4. Step 4: Simplify right side
    2,809.23x = 7,209,728.92
  5. Step 5: Solve for x
    x = 7,209,728.92/2,809.23
  6. Step 6: Final answer
    x = 2,566.44

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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.