Home / 3,904.12-5,854.29-1,440.10

Finding the Fourth Proportional to 3,904.12, 5,854.29 and 1,440.10

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Solution

The fourth proportional to 3,904.12, 5,854.29 and 1,440.10 is: 2,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.12 : 5,854.29 = 1,440.10 : x
  2. Step 2: Convert to fraction form
    3,904.12/5,854.29 = 1,440.10/x
  3. Step 3: Cross multiply
    3,904.12x = 5,854.29 × 1,440.10
  4. Step 4: Simplify right side
    3,904.12x = 8,430,763.03
  5. Step 5: Solve for x
    x = 8,430,763.03/3,904.12
  6. Step 6: Final answer
    x = 2,159.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.