Home / 1,176.07-1,615.53-1,116.84

Finding the Fourth Proportional to 1,176.07, 1,615.53 and 1,116.84

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Solution

The fourth proportional to 1,176.07, 1,615.53 and 1,116.84 is: 1,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.07 : 1,615.53 = 1,116.84 : x
  2. Step 2: Convert to fraction form
    1,176.07/1,615.53 = 1,116.84/x
  3. Step 3: Cross multiply
    1,176.07x = 1,615.53 × 1,116.84
  4. Step 4: Simplify right side
    1,176.07x = 1,804,288.53
  5. Step 5: Solve for x
    x = 1,804,288.53/1,176.07
  6. Step 6: Final answer
    x = 1,534.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.