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Finding the Fourth Proportional to 2,345.75, 3,518.59 and 590.75

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Solution

The fourth proportional to 2,345.75, 3,518.59 and 590.75 is: 886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.75 : 3,518.59 = 590.75 : x
  2. Step 2: Convert to fraction form
    2,345.75/3,518.59 = 590.75/x
  3. Step 3: Cross multiply
    2,345.75x = 3,518.59 × 590.75
  4. Step 4: Simplify right side
    2,345.75x = 2,078,607.04
  5. Step 5: Solve for x
    x = 2,078,607.04/2,345.75
  6. Step 6: Final answer
    x = 886.12

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1.5x scale

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.