Home / 2,159.48-2,962.58-2,054.90

Finding the Fourth Proportional to 2,159.48, 2,962.58 and 2,054.90

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Solution

The fourth proportional to 2,159.48, 2,962.58 and 2,054.90 is: 2,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.48 : 2,962.58 = 2,054.90 : x
  2. Step 2: Convert to fraction form
    2,159.48/2,962.58 = 2,054.90/x
  3. Step 3: Cross multiply
    2,159.48x = 2,962.58 × 2,054.90
  4. Step 4: Simplify right side
    2,159.48x = 6,087,802.77
  5. Step 5: Solve for x
    x = 6,087,802.77/2,159.48
  6. Step 6: Final answer
    x = 2,819.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.