Home / 3,386.32-5,079.48-1,437.16

Finding the Fourth Proportional to 3,386.32, 5,079.48 and 1,437.16

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Solution

The fourth proportional to 3,386.32, 5,079.48 and 1,437.16 is: 2,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.32 : 5,079.48 = 1,437.16 : x
  2. Step 2: Convert to fraction form
    3,386.32/5,079.48 = 1,437.16/x
  3. Step 3: Cross multiply
    3,386.32x = 5,079.48 × 1,437.16
  4. Step 4: Simplify right side
    3,386.32x = 7,300,012.78
  5. Step 5: Solve for x
    x = 7,300,012.78/3,386.32
  6. Step 6: Final answer
    x = 2,155.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.