Home / 3,080.32-4,248.64-2,057.76

Finding the Fourth Proportional to 3,080.32, 4,248.64 and 2,057.76

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Solution

The fourth proportional to 3,080.32, 4,248.64 and 2,057.76 is: 2,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.32 : 4,248.64 = 2,057.76 : x
  2. Step 2: Convert to fraction form
    3,080.32/4,248.64 = 2,057.76/x
  3. Step 3: Cross multiply
    3,080.32x = 4,248.64 × 2,057.76
  4. Step 4: Simplify right side
    3,080.32x = 8,742,681.45
  5. Step 5: Solve for x
    x = 8,742,681.45/3,080.32
  6. Step 6: Final answer
    x = 2,838.24

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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.