Home / 1,784.16-2,676.76-1,590.52

Finding the Fourth Proportional to 1,784.16, 2,676.76 and 1,590.52

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Solution

The fourth proportional to 1,784.16, 2,676.76 and 1,590.52 is: 2,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.16 : 2,676.76 = 1,590.52 : x
  2. Step 2: Convert to fraction form
    1,784.16/2,676.76 = 1,590.52/x
  3. Step 3: Cross multiply
    1,784.16x = 2,676.76 × 1,590.52
  4. Step 4: Simplify right side
    1,784.16x = 4,257,440.32
  5. Step 5: Solve for x
    x = 4,257,440.32/1,784.16
  6. Step 6: Final answer
    x = 2,386.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.