Home / 4,254.24-5,870.40-2,390.88

Finding the Fourth Proportional to 4,254.24, 5,870.40 and 2,390.88

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Solution

The fourth proportional to 4,254.24, 5,870.40 and 2,390.88 is: 3,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.24 : 5,870.40 = 2,390.88 : x
  2. Step 2: Convert to fraction form
    4,254.24/5,870.40 = 2,390.88/x
  3. Step 3: Cross multiply
    4,254.24x = 5,870.40 × 2,390.88
  4. Step 4: Simplify right side
    4,254.24x = 14,035,421.95
  5. Step 5: Solve for x
    x = 14,035,421.95/4,254.24
  6. Step 6: Final answer
    x = 3,299.16

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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.