Home / 2,397.40-3,300.69-1,865.64

Finding the Fourth Proportional to 2,397.40, 3,300.69 and 1,865.64

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Solution

The fourth proportional to 2,397.40, 3,300.69 and 1,865.64 is: 2,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.40 : 3,300.69 = 1,865.64 : x
  2. Step 2: Convert to fraction form
    2,397.40/3,300.69 = 1,865.64/x
  3. Step 3: Cross multiply
    2,397.40x = 3,300.69 × 1,865.64
  4. Step 4: Simplify right side
    2,397.40x = 6,157,899.29
  5. Step 5: Solve for x
    x = 6,157,899.29/2,397.40
  6. Step 6: Final answer
    x = 2,568.57

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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.