Home / 1,590.13-2,194.86-1,030.63

Finding the Fourth Proportional to 1,590.13, 2,194.86 and 1,030.63

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Solution

The fourth proportional to 1,590.13, 2,194.86 and 1,030.63 is: 1,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.13 : 2,194.86 = 1,030.63 : x
  2. Step 2: Convert to fraction form
    1,590.13/2,194.86 = 1,030.63/x
  3. Step 3: Cross multiply
    1,590.13x = 2,194.86 × 1,030.63
  4. Step 4: Simplify right side
    1,590.13x = 2,262,088.56
  5. Step 5: Solve for x
    x = 2,262,088.56/1,590.13
  6. Step 6: Final answer
    x = 1,422.58

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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.