Home / 1,666.11-2,298.20-1,045.47

Finding the Fourth Proportional to 1,666.11, 2,298.20 and 1,045.47

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Solution

The fourth proportional to 1,666.11, 2,298.20 and 1,045.47 is: 1,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.11 : 2,298.20 = 1,045.47 : x
  2. Step 2: Convert to fraction form
    1,666.11/2,298.20 = 1,045.47/x
  3. Step 3: Cross multiply
    1,666.11x = 2,298.20 × 1,045.47
  4. Step 4: Simplify right side
    1,666.11x = 2,402,693.93
  5. Step 5: Solve for x
    x = 2,402,693.93/1,666.11
  6. Step 6: Final answer
    x = 1,442.10

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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.