Home / 4,254.48-5,870.28-2,485.20

Finding the Fourth Proportional to 4,254.48, 5,870.28 and 2,485.20

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Solution

The fourth proportional to 4,254.48, 5,870.28 and 2,485.20 is: 3,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.48 : 5,870.28 = 2,485.20 : x
  2. Step 2: Convert to fraction form
    4,254.48/5,870.28 = 2,485.20/x
  3. Step 3: Cross multiply
    4,254.48x = 5,870.28 × 2,485.20
  4. Step 4: Simplify right side
    4,254.48x = 14,588,819.86
  5. Step 5: Solve for x
    x = 14,588,819.86/4,254.48
  6. Step 6: Final answer
    x = 3,429.05

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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.