Home / 1,458.19-2,010.99-934.12

Finding the Fourth Proportional to 1,458.19, 2,010.99 and 934.12

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Solution

The fourth proportional to 1,458.19, 2,010.99 and 934.12 is: 1,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.19 : 2,010.99 = 934.12 : x
  2. Step 2: Convert to fraction form
    1,458.19/2,010.99 = 934.12/x
  3. Step 3: Cross multiply
    1,458.19x = 2,010.99 × 934.12
  4. Step 4: Simplify right side
    1,458.19x = 1,878,505.98
  5. Step 5: Solve for x
    x = 1,878,505.98/1,458.19
  6. Step 6: Final answer
    x = 1,288.25

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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.