Home / 1,590.08-2,385.98-616.22

Finding the Fourth Proportional to 1,590.08, 2,385.98 and 616.22

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Solution

The fourth proportional to 1,590.08, 2,385.98 and 616.22 is: 924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.08 : 2,385.98 = 616.22 : x
  2. Step 2: Convert to fraction form
    1,590.08/2,385.98 = 616.22/x
  3. Step 3: Cross multiply
    1,590.08x = 2,385.98 × 616.22
  4. Step 4: Simplify right side
    1,590.08x = 1,470,278.21
  5. Step 5: Solve for x
    x = 1,470,278.21/1,590.08
  6. Step 6: Final answer
    x = 924.66

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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.