Home / 2,931.36-4,396.32-1,700.16

Finding the Fourth Proportional to 2,931.36, 4,396.32 and 1,700.16

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Solution

The fourth proportional to 2,931.36, 4,396.32 and 1,700.16 is: 2,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.36 : 4,396.32 = 1,700.16 : x
  2. Step 2: Convert to fraction form
    2,931.36/4,396.32 = 1,700.16/x
  3. Step 3: Cross multiply
    2,931.36x = 4,396.32 × 1,700.16
  4. Step 4: Simplify right side
    2,931.36x = 7,474,447.41
  5. Step 5: Solve for x
    x = 7,474,447.41/2,931.36
  6. Step 6: Final answer
    x = 2,549.82

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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.