Home / 1,648.28-2,273.64-1,545.32

Finding the Fourth Proportional to 1,648.28, 2,273.64 and 1,545.32

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Solution

The fourth proportional to 1,648.28, 2,273.64 and 1,545.32 is: 2,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.28 : 2,273.64 = 1,545.32 : x
  2. Step 2: Convert to fraction form
    1,648.28/2,273.64 = 1,545.32/x
  3. Step 3: Cross multiply
    1,648.28x = 2,273.64 × 1,545.32
  4. Step 4: Simplify right side
    1,648.28x = 3,513,501.36
  5. Step 5: Solve for x
    x = 3,513,501.36/1,648.28
  6. Step 6: Final answer
    x = 2,131.62

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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.