Home / 1,886.02-2,603.24-1,326.62

Finding the Fourth Proportional to 1,886.02, 2,603.24 and 1,326.62

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Solution

The fourth proportional to 1,886.02, 2,603.24 and 1,326.62 is: 1,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.02 : 2,603.24 = 1,326.62 : x
  2. Step 2: Convert to fraction form
    1,886.02/2,603.24 = 1,326.62/x
  3. Step 3: Cross multiply
    1,886.02x = 2,603.24 × 1,326.62
  4. Step 4: Simplify right side
    1,886.02x = 3,453,510.25
  5. Step 5: Solve for x
    x = 3,453,510.25/1,886.02
  6. Step 6: Final answer
    x = 1,831.11

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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.