Home / 1,365.18-2,037.02-1,227.21

Finding the Fourth Proportional to 1,365.18, 2,037.02 and 1,227.21

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Solution

The fourth proportional to 1,365.18, 2,037.02 and 1,227.21 is: 1,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.18 : 2,037.02 = 1,227.21 : x
  2. Step 2: Convert to fraction form
    1,365.18/2,037.02 = 1,227.21/x
  3. Step 3: Cross multiply
    1,365.18x = 2,037.02 × 1,227.21
  4. Step 4: Simplify right side
    1,365.18x = 2,499,851.31
  5. Step 5: Solve for x
    x = 2,499,851.31/1,365.18
  6. Step 6: Final answer
    x = 1,831.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.