Home / 4,257.45-5,875.27-2,488.70

Finding the Fourth Proportional to 4,257.45, 5,875.27 and 2,488.70

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Solution

The fourth proportional to 4,257.45, 5,875.27 and 2,488.70 is: 3,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.45 : 5,875.27 = 2,488.70 : x
  2. Step 2: Convert to fraction form
    4,257.45/5,875.27 = 2,488.70/x
  3. Step 3: Cross multiply
    4,257.45x = 5,875.27 × 2,488.70
  4. Step 4: Simplify right side
    4,257.45x = 14,621,784.45
  5. Step 5: Solve for x
    x = 14,621,784.45/4,257.45
  6. Step 6: Final answer
    x = 3,434.40

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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.