Home / 1,325.04-1,827.71-1,045.18

Finding the Fourth Proportional to 1,325.04, 1,827.71 and 1,045.18

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Solution

The fourth proportional to 1,325.04, 1,827.71 and 1,045.18 is: 1,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.04 : 1,827.71 = 1,045.18 : x
  2. Step 2: Convert to fraction form
    1,325.04/1,827.71 = 1,045.18/x
  3. Step 3: Cross multiply
    1,325.04x = 1,827.71 × 1,045.18
  4. Step 4: Simplify right side
    1,325.04x = 1,910,280.71
  5. Step 5: Solve for x
    x = 1,910,280.71/1,325.04
  6. Step 6: Final answer
    x = 1,441.68

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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.