Home / 1,740.10-2,615.55-1,707.70

Finding the Fourth Proportional to 1,740.10, 2,615.55 and 1,707.70

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Solution

The fourth proportional to 1,740.10, 2,615.55 and 1,707.70 is: 2,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.10 : 2,615.55 = 1,707.70 : x
  2. Step 2: Convert to fraction form
    1,740.10/2,615.55 = 1,707.70/x
  3. Step 3: Cross multiply
    1,740.10x = 2,615.55 × 1,707.70
  4. Step 4: Simplify right side
    1,740.10x = 4,466,574.74
  5. Step 5: Solve for x
    x = 4,466,574.74/1,740.10
  6. Step 6: Final answer
    x = 2,566.85

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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.