Home / 1,534.34-2,116.77-1,068.86

Finding the Fourth Proportional to 1,534.34, 2,116.77 and 1,068.86

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Solution

The fourth proportional to 1,534.34, 2,116.77 and 1,068.86 is: 1,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.34 : 2,116.77 = 1,068.86 : x
  2. Step 2: Convert to fraction form
    1,534.34/2,116.77 = 1,068.86/x
  3. Step 3: Cross multiply
    1,534.34x = 2,116.77 × 1,068.86
  4. Step 4: Simplify right side
    1,534.34x = 2,262,532.07
  5. Step 5: Solve for x
    x = 2,262,532.07/1,534.34
  6. Step 6: Final answer
    x = 1,474.59

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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.