Home / 3,518.04-5,271.60-1,783.56

Finding the Fourth Proportional to 3,518.04, 5,271.60 and 1,783.56

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Solution

The fourth proportional to 3,518.04, 5,271.60 and 1,783.56 is: 2,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.04 : 5,271.60 = 1,783.56 : x
  2. Step 2: Convert to fraction form
    3,518.04/5,271.60 = 1,783.56/x
  3. Step 3: Cross multiply
    3,518.04x = 5,271.60 × 1,783.56
  4. Step 4: Simplify right side
    3,518.04x = 9,402,214.90
  5. Step 5: Solve for x
    x = 9,402,214.90/3,518.04
  6. Step 6: Final answer
    x = 2,672.57

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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.