Home / 2,113.69-2,913.80-1,482.32

Finding the Fourth Proportional to 2,113.69, 2,913.80 and 1,482.32

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Solution

The fourth proportional to 2,113.69, 2,913.80 and 1,482.32 is: 2,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.69 : 2,913.80 = 1,482.32 : x
  2. Step 2: Convert to fraction form
    2,113.69/2,913.80 = 1,482.32/x
  3. Step 3: Cross multiply
    2,113.69x = 2,913.80 × 1,482.32
  4. Step 4: Simplify right side
    2,113.69x = 4,319,184.02
  5. Step 5: Solve for x
    x = 4,319,184.02/2,113.69
  6. Step 6: Final answer
    x = 2,043.43

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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.