Home / 2,888.10-4,331.58-1,426.32

Finding the Fourth Proportional to 2,888.10, 4,331.58 and 1,426.32

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Solution

The fourth proportional to 2,888.10, 4,331.58 and 1,426.32 is: 2,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.10 : 4,331.58 = 1,426.32 : x
  2. Step 2: Convert to fraction form
    2,888.10/4,331.58 = 1,426.32/x
  3. Step 3: Cross multiply
    2,888.10x = 4,331.58 × 1,426.32
  4. Step 4: Simplify right side
    2,888.10x = 6,178,219.19
  5. Step 5: Solve for x
    x = 6,178,219.19/2,888.10
  6. Step 6: Final answer
    x = 2,139.20

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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.