Home / 1,423.95-2,124.08-1,401.27

Finding the Fourth Proportional to 1,423.95, 2,124.08 and 1,401.27

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Solution

The fourth proportional to 1,423.95, 2,124.08 and 1,401.27 is: 2,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.95 : 2,124.08 = 1,401.27 : x
  2. Step 2: Convert to fraction form
    1,423.95/2,124.08 = 1,401.27/x
  3. Step 3: Cross multiply
    1,423.95x = 2,124.08 × 1,401.27
  4. Step 4: Simplify right side
    1,423.95x = 2,976,402.58
  5. Step 5: Solve for x
    x = 2,976,402.58/1,423.95
  6. Step 6: Final answer
    x = 2,090.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.