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Finding the Fourth Proportional to 1,752.40, 2,410.86 and 1,703.80

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Solution

The fourth proportional to 1,752.40, 2,410.86 and 1,703.80 is: 2,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.40 : 2,410.86 = 1,703.80 : x
  2. Step 2: Convert to fraction form
    1,752.40/2,410.86 = 1,703.80/x
  3. Step 3: Cross multiply
    1,752.40x = 2,410.86 × 1,703.80
  4. Step 4: Simplify right side
    1,752.40x = 4,107,623.27
  5. Step 5: Solve for x
    x = 4,107,623.27/1,752.40
  6. Step 6: Final answer
    x = 2,344.00

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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.