Home / 2,962.40-4,088.36-1,636.24

Finding the Fourth Proportional to 2,962.40, 4,088.36 and 1,636.24

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Solution

The fourth proportional to 2,962.40, 4,088.36 and 1,636.24 is: 2,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.40 : 4,088.36 = 1,636.24 : x
  2. Step 2: Convert to fraction form
    2,962.40/4,088.36 = 1,636.24/x
  3. Step 3: Cross multiply
    2,962.40x = 4,088.36 × 1,636.24
  4. Step 4: Simplify right side
    2,962.40x = 6,689,538.17
  5. Step 5: Solve for x
    x = 6,689,538.17/2,962.40
  6. Step 6: Final answer
    x = 2,258.15

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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.