Home / 2,328.89-3,214.69-1,543.19

Finding the Fourth Proportional to 2,328.89, 3,214.69 and 1,543.19

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Solution

The fourth proportional to 2,328.89, 3,214.69 and 1,543.19 is: 2,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.89 : 3,214.69 = 1,543.19 : x
  2. Step 2: Convert to fraction form
    2,328.89/3,214.69 = 1,543.19/x
  3. Step 3: Cross multiply
    2,328.89x = 3,214.69 × 1,543.19
  4. Step 4: Simplify right side
    2,328.89x = 4,960,857.53
  5. Step 5: Solve for x
    x = 4,960,857.53/2,328.89
  6. Step 6: Final answer
    x = 2,130.14

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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.