Home / 1,534.17-2,117.15-835.54

Finding the Fourth Proportional to 1,534.17, 2,117.15 and 835.54

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Solution

The fourth proportional to 1,534.17, 2,117.15 and 835.54 is: 1,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.17 : 2,117.15 = 835.54 : x
  2. Step 2: Convert to fraction form
    1,534.17/2,117.15 = 835.54/x
  3. Step 3: Cross multiply
    1,534.17x = 2,117.15 × 835.54
  4. Step 4: Simplify right side
    1,534.17x = 1,768,969.85
  5. Step 5: Solve for x
    x = 1,768,969.85/1,534.17
  6. Step 6: Final answer
    x = 1,153.05

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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.