Home / 2,030.40-2,799.36-1,636.32

Finding the Fourth Proportional to 2,030.40, 2,799.36 and 1,636.32

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Solution

The fourth proportional to 2,030.40, 2,799.36 and 1,636.32 is: 2,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.40 : 2,799.36 = 1,636.32 : x
  2. Step 2: Convert to fraction form
    2,030.40/2,799.36 = 1,636.32/x
  3. Step 3: Cross multiply
    2,030.40x = 2,799.36 × 1,636.32
  4. Step 4: Simplify right side
    2,030.40x = 4,580,648.76
  5. Step 5: Solve for x
    x = 4,580,648.76/2,030.40
  6. Step 6: Final answer
    x = 2,256.03

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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.