Home / 2,328.51-3,214.98-1,913.79

Finding the Fourth Proportional to 2,328.51, 3,214.98 and 1,913.79

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Solution

The fourth proportional to 2,328.51, 3,214.98 and 1,913.79 is: 2,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.51 : 3,214.98 = 1,913.79 : x
  2. Step 2: Convert to fraction form
    2,328.51/3,214.98 = 1,913.79/x
  3. Step 3: Cross multiply
    2,328.51x = 3,214.98 × 1,913.79
  4. Step 4: Simplify right side
    2,328.51x = 6,152,796.57
  5. Step 5: Solve for x
    x = 6,152,796.57/2,328.51
  6. Step 6: Final answer
    x = 2,642.37

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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.