Home / 2,902.58-4,005.63-1,707.65

Finding the Fourth Proportional to 2,902.58, 4,005.63 and 1,707.65

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Solution

The fourth proportional to 2,902.58, 4,005.63 and 1,707.65 is: 2,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.58 : 4,005.63 = 1,707.65 : x
  2. Step 2: Convert to fraction form
    2,902.58/4,005.63 = 1,707.65/x
  3. Step 3: Cross multiply
    2,902.58x = 4,005.63 × 1,707.65
  4. Step 4: Simplify right side
    2,902.58x = 6,840,215.47
  5. Step 5: Solve for x
    x = 6,840,215.47/2,902.58
  6. Step 6: Final answer
    x = 2,356.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.