Home / 2,901.31-4,002.86-1,642.24

Finding the Fourth Proportional to 2,901.31, 4,002.86 and 1,642.24

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Solution

The fourth proportional to 2,901.31, 4,002.86 and 1,642.24 is: 2,265.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.31 : 4,002.86 = 1,642.24 : x
  2. Step 2: Convert to fraction form
    2,901.31/4,002.86 = 1,642.24/x
  3. Step 3: Cross multiply
    2,901.31x = 4,002.86 × 1,642.24
  4. Step 4: Simplify right side
    2,901.31x = 6,573,656.81
  5. Step 5: Solve for x
    x = 6,573,656.81/2,901.31
  6. Step 6: Final answer
    x = 2,265.75

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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.