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Finding the Fourth Proportional to 1,703.79, 2,569.85 and 1,500.90

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Solution

The fourth proportional to 1,703.79, 2,569.85 and 1,500.90 is: 2,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.79 : 2,569.85 = 1,500.90 : x
  2. Step 2: Convert to fraction form
    1,703.79/2,569.85 = 1,500.90/x
  3. Step 3: Cross multiply
    1,703.79x = 2,569.85 × 1,500.90
  4. Step 4: Simplify right side
    1,703.79x = 3,857,080.36
  5. Step 5: Solve for x
    x = 3,857,080.36/1,703.79
  6. Step 6: Final answer
    x = 2,263.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.