Home / 1,624.74-2,242.01-961.47

Finding the Fourth Proportional to 1,624.74, 2,242.01 and 961.47

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Solution

The fourth proportional to 1,624.74, 2,242.01 and 961.47 is: 1,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.74 : 2,242.01 = 961.47 : x
  2. Step 2: Convert to fraction form
    1,624.74/2,242.01 = 961.47/x
  3. Step 3: Cross multiply
    1,624.74x = 2,242.01 × 961.47
  4. Step 4: Simplify right side
    1,624.74x = 2,155,620.55
  5. Step 5: Solve for x
    x = 2,155,620.55/1,624.74
  6. Step 6: Final answer
    x = 1,326.75

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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.