Home / 2,090.34-2,886.03-1,426.95

Finding the Fourth Proportional to 2,090.34, 2,886.03 and 1,426.95

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Solution

The fourth proportional to 2,090.34, 2,886.03 and 1,426.95 is: 1,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.34 : 2,886.03 = 1,426.95 : x
  2. Step 2: Convert to fraction form
    2,090.34/2,886.03 = 1,426.95/x
  3. Step 3: Cross multiply
    2,090.34x = 2,886.03 × 1,426.95
  4. Step 4: Simplify right side
    2,090.34x = 4,118,220.51
  5. Step 5: Solve for x
    x = 4,118,220.51/2,090.34
  6. Step 6: Final answer
    x = 1,970.12

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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.