Home / 1,624.75-2,239.82-1,158.19

Finding the Fourth Proportional to 1,624.75, 2,239.82 and 1,158.19

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Solution

The fourth proportional to 1,624.75, 2,239.82 and 1,158.19 is: 1,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.75 : 2,239.82 = 1,158.19 : x
  2. Step 2: Convert to fraction form
    1,624.75/2,239.82 = 1,158.19/x
  3. Step 3: Cross multiply
    1,624.75x = 2,239.82 × 1,158.19
  4. Step 4: Simplify right side
    1,624.75x = 2,594,130.08
  5. Step 5: Solve for x
    x = 2,594,130.08/1,624.75
  6. Step 6: Final answer
    x = 1,596.64

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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.