Home / 1,541.55-2,127.28-1,416.04

Finding the Fourth Proportional to 1,541.55, 2,127.28 and 1,416.04

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Solution

The fourth proportional to 1,541.55, 2,127.28 and 1,416.04 is: 1,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.55 : 2,127.28 = 1,416.04 : x
  2. Step 2: Convert to fraction form
    1,541.55/2,127.28 = 1,416.04/x
  3. Step 3: Cross multiply
    1,541.55x = 2,127.28 × 1,416.04
  4. Step 4: Simplify right side
    1,541.55x = 3,012,313.57
  5. Step 5: Solve for x
    x = 3,012,313.57/1,541.55
  6. Step 6: Final answer
    x = 1,954.08

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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.