Home / 1,426.40-2,139.60-1,034

Finding the Fourth Proportional to 1,426.40, 2,139.60 and 1,034

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Solution

The fourth proportional to 1,426.40, 2,139.60 and 1,034 is: 1,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.40 : 2,139.60 = 1,034 : x
  2. Step 2: Convert to fraction form
    1,426.40/2,139.60 = 1,034/x
  3. Step 3: Cross multiply
    1,426.40x = 2,139.60 × 1,034
  4. Step 4: Simplify right side
    1,426.40x = 2,212,346.40
  5. Step 5: Solve for x
    x = 2,212,346.40/1,426.40
  6. Step 6: Final answer
    x = 1,551.00

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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.