Home / 1,648.04-2,277.18-1,353.08

Finding the Fourth Proportional to 1,648.04, 2,277.18 and 1,353.08

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Solution

The fourth proportional to 1,648.04, 2,277.18 and 1,353.08 is: 1,869.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.04 : 2,277.18 = 1,353.08 : x
  2. Step 2: Convert to fraction form
    1,648.04/2,277.18 = 1,353.08/x
  3. Step 3: Cross multiply
    1,648.04x = 2,277.18 × 1,353.08
  4. Step 4: Simplify right side
    1,648.04x = 3,081,206.71
  5. Step 5: Solve for x
    x = 3,081,206.71/1,648.04
  6. Step 6: Final answer
    x = 1,869.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.