Home / 2,208.71-3,047.57-1,545.32

Finding the Fourth Proportional to 2,208.71, 3,047.57 and 1,545.32

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Solution

The fourth proportional to 2,208.71, 3,047.57 and 1,545.32 is: 2,132.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.71 : 3,047.57 = 1,545.32 : x
  2. Step 2: Convert to fraction form
    2,208.71/3,047.57 = 1,545.32/x
  3. Step 3: Cross multiply
    2,208.71x = 3,047.57 × 1,545.32
  4. Step 4: Simplify right side
    2,208.71x = 4,709,470.76
  5. Step 5: Solve for x
    x = 4,709,470.76/2,208.71
  6. Step 6: Final answer
    x = 2,132.22

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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.