Home / 1,710.09-2,565.57-929.76

Finding the Fourth Proportional to 1,710.09, 2,565.57 and 929.76

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Solution

The fourth proportional to 1,710.09, 2,565.57 and 929.76 is: 1,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.09 : 2,565.57 = 929.76 : x
  2. Step 2: Convert to fraction form
    1,710.09/2,565.57 = 929.76/x
  3. Step 3: Cross multiply
    1,710.09x = 2,565.57 × 929.76
  4. Step 4: Simplify right side
    1,710.09x = 2,385,364.36
  5. Step 5: Solve for x
    x = 2,385,364.36/1,710.09
  6. Step 6: Final answer
    x = 1,394.88

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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.