Home / 1,594.48-2,194.86-1,387.12

Finding the Fourth Proportional to 1,594.48, 2,194.86 and 1,387.12

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Solution

The fourth proportional to 1,594.48, 2,194.86 and 1,387.12 is: 1,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.48 : 2,194.86 = 1,387.12 : x
  2. Step 2: Convert to fraction form
    1,594.48/2,194.86 = 1,387.12/x
  3. Step 3: Cross multiply
    1,594.48x = 2,194.86 × 1,387.12
  4. Step 4: Simplify right side
    1,594.48x = 3,044,534.20
  5. Step 5: Solve for x
    x = 3,044,534.20/1,594.48
  6. Step 6: Final answer
    x = 1,909.42

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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.