Home / 2,901.56-4,004.40-1,642.84

Finding the Fourth Proportional to 2,901.56, 4,004.40 and 1,642.84

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Solution

The fourth proportional to 2,901.56, 4,004.40 and 1,642.84 is: 2,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.56 : 4,004.40 = 1,642.84 : x
  2. Step 2: Convert to fraction form
    2,901.56/4,004.40 = 1,642.84/x
  3. Step 3: Cross multiply
    2,901.56x = 4,004.40 × 1,642.84
  4. Step 4: Simplify right side
    2,901.56x = 6,578,572.08
  5. Step 5: Solve for x
    x = 6,578,572.08/2,901.56
  6. Step 6: Final answer
    x = 2,267.25

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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.