Home / 1,612.26-2,224.95-948.87

Finding the Fourth Proportional to 1,612.26, 2,224.95 and 948.87

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Solution

The fourth proportional to 1,612.26, 2,224.95 and 948.87 is: 1,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.26 : 2,224.95 = 948.87 : x
  2. Step 2: Convert to fraction form
    1,612.26/2,224.95 = 948.87/x
  3. Step 3: Cross multiply
    1,612.26x = 2,224.95 × 948.87
  4. Step 4: Simplify right side
    1,612.26x = 2,111,188.31
  5. Step 5: Solve for x
    x = 2,111,188.31/1,612.26
  6. Step 6: Final answer
    x = 1,309.46

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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.