Home / 2,826.06-4,240.12-977.36

Finding the Fourth Proportional to 2,826.06, 4,240.12 and 977.36

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Solution

The fourth proportional to 2,826.06, 4,240.12 and 977.36 is: 1,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.06 : 4,240.12 = 977.36 : x
  2. Step 2: Convert to fraction form
    2,826.06/4,240.12 = 977.36/x
  3. Step 3: Cross multiply
    2,826.06x = 4,240.12 × 977.36
  4. Step 4: Simplify right side
    2,826.06x = 4,144,119.31
  5. Step 5: Solve for x
    x = 4,144,119.31/2,826.06
  6. Step 6: Final answer
    x = 1,466.40

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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.