Home / 2,287.16-3,430.95-1,054.91

Finding the Fourth Proportional to 2,287.16, 3,430.95 and 1,054.91

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Solution

The fourth proportional to 2,287.16, 3,430.95 and 1,054.91 is: 1,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.16 : 3,430.95 = 1,054.91 : x
  2. Step 2: Convert to fraction form
    2,287.16/3,430.95 = 1,054.91/x
  3. Step 3: Cross multiply
    2,287.16x = 3,430.95 × 1,054.91
  4. Step 4: Simplify right side
    2,287.16x = 3,619,343.46
  5. Step 5: Solve for x
    x = 3,619,343.46/2,287.16
  6. Step 6: Final answer
    x = 1,582.46

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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.