Home / 1,590.47-2,194.88-927.35

Finding the Fourth Proportional to 1,590.47, 2,194.88 and 927.35

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Solution

The fourth proportional to 1,590.47, 2,194.88 and 927.35 is: 1,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.47 : 2,194.88 = 927.35 : x
  2. Step 2: Convert to fraction form
    1,590.47/2,194.88 = 927.35/x
  3. Step 3: Cross multiply
    1,590.47x = 2,194.88 × 927.35
  4. Step 4: Simplify right side
    1,590.47x = 2,035,421.97
  5. Step 5: Solve for x
    x = 2,035,421.97/1,590.47
  6. Step 6: Final answer
    x = 1,279.76

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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.