Home / 4,288.55-5,918.16-2,400.31

Finding the Fourth Proportional to 4,288.55, 5,918.16 and 2,400.31

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Solution

The fourth proportional to 4,288.55, 5,918.16 and 2,400.31 is: 3,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.55 : 5,918.16 = 2,400.31 : x
  2. Step 2: Convert to fraction form
    4,288.55/5,918.16 = 2,400.31/x
  3. Step 3: Cross multiply
    4,288.55x = 5,918.16 × 2,400.31
  4. Step 4: Simplify right side
    4,288.55x = 14,205,409.46
  5. Step 5: Solve for x
    x = 14,205,409.46/4,288.55
  6. Step 6: Final answer
    x = 3,312.40

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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.