Home / 1,746.41-2,619.59-430.16

Finding the Fourth Proportional to 1,746.41, 2,619.59 and 430.16

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Solution

The fourth proportional to 1,746.41, 2,619.59 and 430.16 is: 645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.41 : 2,619.59 = 430.16 : x
  2. Step 2: Convert to fraction form
    1,746.41/2,619.59 = 430.16/x
  3. Step 3: Cross multiply
    1,746.41x = 2,619.59 × 430.16
  4. Step 4: Simplify right side
    1,746.41x = 1,126,842.83
  5. Step 5: Solve for x
    x = 1,126,842.83/1,746.41
  6. Step 6: Final answer
    x = 645.24

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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.