Home / 3,707.65-5,116.55-2,135.74

Finding the Fourth Proportional to 3,707.65, 5,116.55 and 2,135.74

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Solution

The fourth proportional to 3,707.65, 5,116.55 and 2,135.74 is: 2,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.65 : 5,116.55 = 2,135.74 : x
  2. Step 2: Convert to fraction form
    3,707.65/5,116.55 = 2,135.74/x
  3. Step 3: Cross multiply
    3,707.65x = 5,116.55 × 2,135.74
  4. Step 4: Simplify right side
    3,707.65x = 10,927,642.03
  5. Step 5: Solve for x
    x = 10,927,642.03/3,707.65
  6. Step 6: Final answer
    x = 2,947.32

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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.