Home / 2,901.12-4,349.65-926.10

Finding the Fourth Proportional to 2,901.12, 4,349.65 and 926.10

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Solution

The fourth proportional to 2,901.12, 4,349.65 and 926.10 is: 1,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.12 : 4,349.65 = 926.10 : x
  2. Step 2: Convert to fraction form
    2,901.12/4,349.65 = 926.10/x
  3. Step 3: Cross multiply
    2,901.12x = 4,349.65 × 926.10
  4. Step 4: Simplify right side
    2,901.12x = 4,028,210.87
  5. Step 5: Solve for x
    x = 4,028,210.87/2,901.12
  6. Step 6: Final answer
    x = 1,388.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.