Home / 1,531.04-2,284.98-1,383.42

Finding the Fourth Proportional to 1,531.04, 2,284.98 and 1,383.42

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Solution

The fourth proportional to 1,531.04, 2,284.98 and 1,383.42 is: 2,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.04 : 2,284.98 = 1,383.42 : x
  2. Step 2: Convert to fraction form
    1,531.04/2,284.98 = 1,383.42/x
  3. Step 3: Cross multiply
    1,531.04x = 2,284.98 × 1,383.42
  4. Step 4: Simplify right side
    1,531.04x = 3,161,080.11
  5. Step 5: Solve for x
    x = 3,161,080.11/1,531.04
  6. Step 6: Final answer
    x = 2,064.66

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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.