Home / 3,710.40-5,567.76-1,518.92

Finding the Fourth Proportional to 3,710.40, 5,567.76 and 1,518.92

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Solution

The fourth proportional to 3,710.40, 5,567.76 and 1,518.92 is: 2,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.40 : 5,567.76 = 1,518.92 : x
  2. Step 2: Convert to fraction form
    3,710.40/5,567.76 = 1,518.92/x
  3. Step 3: Cross multiply
    3,710.40x = 5,567.76 × 1,518.92
  4. Step 4: Simplify right side
    3,710.40x = 8,456,982.02
  5. Step 5: Solve for x
    x = 8,456,982.02/3,710.40
  6. Step 6: Final answer
    x = 2,279.26

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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.