Home / 2,314.93-3,191.30-1,430.23

Finding the Fourth Proportional to 2,314.93, 3,191.30 and 1,430.23

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Solution

The fourth proportional to 2,314.93, 3,191.30 and 1,430.23 is: 1,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.93 : 3,191.30 = 1,430.23 : x
  2. Step 2: Convert to fraction form
    2,314.93/3,191.30 = 1,430.23/x
  3. Step 3: Cross multiply
    2,314.93x = 3,191.30 × 1,430.23
  4. Step 4: Simplify right side
    2,314.93x = 4,564,280.62
  5. Step 5: Solve for x
    x = 4,564,280.62/2,314.93
  6. Step 6: Final answer
    x = 1,971.68

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1.5x scale

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.