Home / 3,875.60-5,348.06-2,303.40

Finding the Fourth Proportional to 3,875.60, 5,348.06 and 2,303.40

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Solution

The fourth proportional to 3,875.60, 5,348.06 and 2,303.40 is: 3,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.60 : 5,348.06 = 2,303.40 : x
  2. Step 2: Convert to fraction form
    3,875.60/5,348.06 = 2,303.40/x
  3. Step 3: Cross multiply
    3,875.60x = 5,348.06 × 2,303.40
  4. Step 4: Simplify right side
    3,875.60x = 12,318,721.40
  5. Step 5: Solve for x
    x = 12,318,721.40/3,875.60
  6. Step 6: Final answer
    x = 3,178.53

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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.