Home / 1,534.76-2,116.50-1,370.60

Finding the Fourth Proportional to 1,534.76, 2,116.50 and 1,370.60

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Solution

The fourth proportional to 1,534.76, 2,116.50 and 1,370.60 is: 1,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.76 : 2,116.50 = 1,370.60 : x
  2. Step 2: Convert to fraction form
    1,534.76/2,116.50 = 1,370.60/x
  3. Step 3: Cross multiply
    1,534.76x = 2,116.50 × 1,370.60
  4. Step 4: Simplify right side
    1,534.76x = 2,900,874.90
  5. Step 5: Solve for x
    x = 2,900,874.90/1,534.76
  6. Step 6: Final answer
    x = 1,890.12

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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.