Home / 3,510.32-4,844.24-1,938.40

Finding the Fourth Proportional to 3,510.32, 4,844.24 and 1,938.40

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Solution

The fourth proportional to 3,510.32, 4,844.24 and 1,938.40 is: 2,674.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.32 : 4,844.24 = 1,938.40 : x
  2. Step 2: Convert to fraction form
    3,510.32/4,844.24 = 1,938.40/x
  3. Step 3: Cross multiply
    3,510.32x = 4,844.24 × 1,938.40
  4. Step 4: Simplify right side
    3,510.32x = 9,390,074.82
  5. Step 5: Solve for x
    x = 9,390,074.82/3,510.32
  6. Step 6: Final answer
    x = 2,674.99

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Double scale
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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.