Home / 2,624.68-3,927.90-1,853.80

Finding the Fourth Proportional to 2,624.68, 3,927.90 and 1,853.80

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Solution

The fourth proportional to 2,624.68, 3,927.90 and 1,853.80 is: 2,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.68 : 3,927.90 = 1,853.80 : x
  2. Step 2: Convert to fraction form
    2,624.68/3,927.90 = 1,853.80/x
  3. Step 3: Cross multiply
    2,624.68x = 3,927.90 × 1,853.80
  4. Step 4: Simplify right side
    2,624.68x = 7,281,541.02
  5. Step 5: Solve for x
    x = 7,281,541.02/2,624.68
  6. Step 6: Final answer
    x = 2,774.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.