Home / 2,047.84-2,826.96-1,302.88

Finding the Fourth Proportional to 2,047.84, 2,826.96 and 1,302.88

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Solution

The fourth proportional to 2,047.84, 2,826.96 and 1,302.88 is: 1,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.84 : 2,826.96 = 1,302.88 : x
  2. Step 2: Convert to fraction form
    2,047.84/2,826.96 = 1,302.88/x
  3. Step 3: Cross multiply
    2,047.84x = 2,826.96 × 1,302.88
  4. Step 4: Simplify right side
    2,047.84x = 3,683,189.64
  5. Step 5: Solve for x
    x = 3,683,189.64/2,047.84
  6. Step 6: Final answer
    x = 1,798.57

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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.