Home / 3,140.06-4,337.54-2,515.07

Finding the Fourth Proportional to 3,140.06, 4,337.54 and 2,515.07

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Solution

The fourth proportional to 3,140.06, 4,337.54 and 2,515.07 is: 3,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.06 : 4,337.54 = 2,515.07 : x
  2. Step 2: Convert to fraction form
    3,140.06/4,337.54 = 2,515.07/x
  3. Step 3: Cross multiply
    3,140.06x = 4,337.54 × 2,515.07
  4. Step 4: Simplify right side
    3,140.06x = 10,909,182.46
  5. Step 5: Solve for x
    x = 10,909,182.46/3,140.06
  6. Step 6: Final answer
    x = 3,474.20

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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.