Home / 1,625.07-2,242.61-926.45

Finding the Fourth Proportional to 1,625.07, 2,242.61 and 926.45

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Solution

The fourth proportional to 1,625.07, 2,242.61 and 926.45 is: 1,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.07 : 2,242.61 = 926.45 : x
  2. Step 2: Convert to fraction form
    1,625.07/2,242.61 = 926.45/x
  3. Step 3: Cross multiply
    1,625.07x = 2,242.61 × 926.45
  4. Step 4: Simplify right side
    1,625.07x = 2,077,650.19
  5. Step 5: Solve for x
    x = 2,077,650.19/1,625.07
  6. Step 6: Final answer
    x = 1,278.50

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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.