Home / 1,302.16-1,791.52-1,136.76

Finding the Fourth Proportional to 1,302.16, 1,791.52 and 1,136.76

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Solution

The fourth proportional to 1,302.16, 1,791.52 and 1,136.76 is: 1,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.16 : 1,791.52 = 1,136.76 : x
  2. Step 2: Convert to fraction form
    1,302.16/1,791.52 = 1,136.76/x
  3. Step 3: Cross multiply
    1,302.16x = 1,791.52 × 1,136.76
  4. Step 4: Simplify right side
    1,302.16x = 2,036,528.28
  5. Step 5: Solve for x
    x = 2,036,528.28/1,302.16
  6. Step 6: Final answer
    x = 1,563.96

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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.