Home / 1,541.13-2,127.38-1,018.41

Finding the Fourth Proportional to 1,541.13, 2,127.38 and 1,018.41

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Solution

The fourth proportional to 1,541.13, 2,127.38 and 1,018.41 is: 1,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.13 : 2,127.38 = 1,018.41 : x
  2. Step 2: Convert to fraction form
    1,541.13/2,127.38 = 1,018.41/x
  3. Step 3: Cross multiply
    1,541.13x = 2,127.38 × 1,018.41
  4. Step 4: Simplify right side
    1,541.13x = 2,166,545.07
  5. Step 5: Solve for x
    x = 2,166,545.07/1,541.13
  6. Step 6: Final answer
    x = 1,405.82

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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.