Home / 1,513.17-2,261.14-1,135.46

Finding the Fourth Proportional to 1,513.17, 2,261.14 and 1,135.46

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Solution

The fourth proportional to 1,513.17, 2,261.14 and 1,135.46 is: 1,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.17 : 2,261.14 = 1,135.46 : x
  2. Step 2: Convert to fraction form
    1,513.17/2,261.14 = 1,135.46/x
  3. Step 3: Cross multiply
    1,513.17x = 2,261.14 × 1,135.46
  4. Step 4: Simplify right side
    1,513.17x = 2,567,417.04
  5. Step 5: Solve for x
    x = 2,567,417.04/1,513.17
  6. Step 6: Final answer
    x = 1,696.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.