Home / 1,668.04-2,302.39-1,038.26

Finding the Fourth Proportional to 1,668.04, 2,302.39 and 1,038.26

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Solution

The fourth proportional to 1,668.04, 2,302.39 and 1,038.26 is: 1,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.04 : 2,302.39 = 1,038.26 : x
  2. Step 2: Convert to fraction form
    1,668.04/2,302.39 = 1,038.26/x
  3. Step 3: Cross multiply
    1,668.04x = 2,302.39 × 1,038.26
  4. Step 4: Simplify right side
    1,668.04x = 2,390,465.93
  5. Step 5: Solve for x
    x = 2,390,465.93/1,668.04
  6. Step 6: Final answer
    x = 1,433.10

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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.