Home / 1,749.40-2,624.27-578.92

Finding the Fourth Proportional to 1,749.40, 2,624.27 and 578.92

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Solution

The fourth proportional to 1,749.40, 2,624.27 and 578.92 is: 868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.40 : 2,624.27 = 578.92 : x
  2. Step 2: Convert to fraction form
    1,749.40/2,624.27 = 578.92/x
  3. Step 3: Cross multiply
    1,749.40x = 2,624.27 × 578.92
  4. Step 4: Simplify right side
    1,749.40x = 1,519,242.39
  5. Step 5: Solve for x
    x = 1,519,242.39/1,749.40
  6. Step 6: Final answer
    x = 868.44

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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.