Home / 3,345.24-5,015.13-1,955.16

Finding the Fourth Proportional to 3,345.24, 5,015.13 and 1,955.16

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Solution

The fourth proportional to 3,345.24, 5,015.13 and 1,955.16 is: 2,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.24 : 5,015.13 = 1,955.16 : x
  2. Step 2: Convert to fraction form
    3,345.24/5,015.13 = 1,955.16/x
  3. Step 3: Cross multiply
    3,345.24x = 5,015.13 × 1,955.16
  4. Step 4: Simplify right side
    3,345.24x = 9,805,381.57
  5. Step 5: Solve for x
    x = 9,805,381.57/3,345.24
  6. Step 6: Final answer
    x = 2,931.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.