Home / 2,509.28-3,461.52-2,177.20

Finding the Fourth Proportional to 2,509.28, 3,461.52 and 2,177.20

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Solution

The fourth proportional to 2,509.28, 3,461.52 and 2,177.20 is: 3,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.28 : 3,461.52 = 2,177.20 : x
  2. Step 2: Convert to fraction form
    2,509.28/3,461.52 = 2,177.20/x
  3. Step 3: Cross multiply
    2,509.28x = 3,461.52 × 2,177.20
  4. Step 4: Simplify right side
    2,509.28x = 7,536,421.34
  5. Step 5: Solve for x
    x = 7,536,421.34/2,509.28
  6. Step 6: Final answer
    x = 3,003.42

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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.