Home / 1,527.10-2,287.05-943.90

Finding the Fourth Proportional to 1,527.10, 2,287.05 and 943.90

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Solution

The fourth proportional to 1,527.10, 2,287.05 and 943.90 is: 1,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.10 : 2,287.05 = 943.90 : x
  2. Step 2: Convert to fraction form
    1,527.10/2,287.05 = 943.90/x
  3. Step 3: Cross multiply
    1,527.10x = 2,287.05 × 943.90
  4. Step 4: Simplify right side
    1,527.10x = 2,158,746.50
  5. Step 5: Solve for x
    x = 2,158,746.50/1,527.10
  6. Step 6: Final answer
    x = 1,413.62

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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.