Home / 2,461.53-3,397.12-1,399.63

Finding the Fourth Proportional to 2,461.53, 3,397.12 and 1,399.63

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Solution

The fourth proportional to 2,461.53, 3,397.12 and 1,399.63 is: 1,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.53 : 3,397.12 = 1,399.63 : x
  2. Step 2: Convert to fraction form
    2,461.53/3,397.12 = 1,399.63/x
  3. Step 3: Cross multiply
    2,461.53x = 3,397.12 × 1,399.63
  4. Step 4: Simplify right side
    2,461.53x = 4,754,707.57
  5. Step 5: Solve for x
    x = 4,754,707.57/2,461.53
  6. Step 6: Final answer
    x = 1,931.60

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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.