Home / 3,159.02-4,365.24-3,007.28

Finding the Fourth Proportional to 3,159.02, 4,365.24 and 3,007.28

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Solution

The fourth proportional to 3,159.02, 4,365.24 and 3,007.28 is: 4,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.02 : 4,365.24 = 3,007.28 : x
  2. Step 2: Convert to fraction form
    3,159.02/4,365.24 = 3,007.28/x
  3. Step 3: Cross multiply
    3,159.02x = 4,365.24 × 3,007.28
  4. Step 4: Simplify right side
    3,159.02x = 13,127,498.95
  5. Step 5: Solve for x
    x = 13,127,498.95/3,159.02
  6. Step 6: Final answer
    x = 4,155.56

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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.