Home / 4,159.48-5,740.14-2,391.40

Finding the Fourth Proportional to 4,159.48, 5,740.14 and 2,391.40

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Solution

The fourth proportional to 4,159.48, 5,740.14 and 2,391.40 is: 3,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.48 : 5,740.14 = 2,391.40 : x
  2. Step 2: Convert to fraction form
    4,159.48/5,740.14 = 2,391.40/x
  3. Step 3: Cross multiply
    4,159.48x = 5,740.14 × 2,391.40
  4. Step 4: Simplify right side
    4,159.48x = 13,726,970.80
  5. Step 5: Solve for x
    x = 13,726,970.80/4,159.48
  6. Step 6: Final answer
    x = 3,300.17

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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.